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For an extra-cursory book, after reading 24 pages on the first day, he would read 3 more pages each day than the previous day. On the last day, he would read 36 pages.

2024-09-10 15:08
1 answer
2024-09-10 17:43

The number of pages of this extra-cursory book should be an increasing number, so we can list its approximate values as follows: 24 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 101 103 105 107 109 111 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 145 147 149 151 153 155 157 159 161 163 165 167 169 171 173 175 177 179 181 183 185 187 189 191 193 195 197 199 201 203 205 207 209 211 213 215 217 219 221 223 225 227 229 231 233 235 237 239 241 243 245 247 249 251 253 255 257 259 261 263 265 267 269 271 273 275 277 279 281 283 285 287 289 291 293 295 297 299 301 303 305 307 309 311 313 315 317 319 321 323 325 327 329 331 333 335 337 339 341 343 345 347 349 351 353 355 357 359 361 363 365 367 369 371 373 375 377 379 381 383 385 387 389 391 393 395 397 399 401 403 405 407 409 411 413 415 417 419 421 423 425 427 429 431 433 435 437 439 441 443 445 447 449 451 453 455 457 459 461 463 465 467 469 471 473 475 477 479 481 483 485 487 489 491 493 495 497 499 501 503 505 507 509 511 513 515 517 519 521 523 525 527 529 531 533 535 537 539 541 543 545 547 549 551 553 555 557 559 561 563 565 567 569 571 573 575 577 579 581 583 585 587 589 591 593 595 597 599 601 603 605 607 609 611 613 615 617 619 621 623 625 627 629 631 633 635 637 639 641 643 645 647 649 651 653 655 657 659 661 663 665 667 669 671 673 675 677 679 681 683 685 687 689 691 693 695 697 699 701 703 705 707 709 711 713 715 717 719 721 723 725 727 729 731 733 735 737 739 741 743 745 747 749 751 753 755 757 759 761 763 765 767 769 771 773 775 777 779 781 783 785 787 789 791 793 795 797 799 801 803 805 807 809 811 813 815 817

If Xiao Ming read 35 pages a day, he would finish the book one day later than the stipulated date. If he read 40 pages a day, he would have to read 5 pages less on the last day.

1 answer
2024-09-11 16:38

Xiaoming reads a novel. If he reads 35 pages a day, he will finish the book one day later than the stipulated date. If he reads 40 pages a day, he will read 5 pages less on the last day. Based on this information, we can formulate the following equation: Let the total number of pages in the novel be x Xiaoming reads x/35 days, that is, he reads x/35 pages every day. Because Xiao Ming needed to finish reading the entire book, he needed to meet the following two conditions: Xiaoming finished reading the novel before the stipulated date 2 Xiao Ming reads 35 pages a day, so the total number of pages read is 35x/12 days Therefore, we can write the following equation: x/35 = (x/12) - 1 Solve the equation: x = 35x/12 + 1 = 40 Therefore, Xiao Ming needed to read 40 pages to finish the novel. He needed to read 40/35=8/17 days before the specified date. However, because reading 40 pages a day is slower than reading 35 pages, the actual time he needs will be longer than 8/17 days, that is, he will need 16/17 days to finish reading the novel.

Ding Ding read a book. On the first day, he would read 15 pages. After that, he would read five more pages every day than the previous day. After five days, he would finish reading. How many pages does this book have?

1 answer
2024-09-14 20:13

Assuming that the book has x pages: 15 pages on the first day, so there are 15 pages in the book From now on, I'll read five more pages every day than the day before, so after five days, I'll read (15+5)×5=125 pages, plus the 15 pages I've already read before, that's a total of 270 pages Therefore, the book had a total of 270 pages.

He had read 12 pages on the first day, 6 more pages on the next day, and 48 pages on the last day. How many days had he read?

1 answer
2024-09-15 15:48

After reading 12 pages on the first day, he read 6 more pages every day than the previous day. On the last day, he read 48 pages. How many days did he read in total? He had read $12+12 + 12 + 12 + 12 +12+6+48$in total. Reading 6 more pages a day than the day before, so obviously in the first week, I read $12+12 + 12 + 12 + 12 +12+6+12=55$days. In the second week, he read $12+12 + 12 + 12 + 12 +12+6+12+12=63$days. By analogy, we can know that the total amount of reading before the end of the book is $55+63+70+73+80+86+98+48=695$days. Therefore, he read for a total of seven days.

When Xiao Li read a novel, she would read 74 pages on the first day, 82 pages on the second day, 71 pages on the third day, 63 pages on the fourth day, and more pages on the fifth day than this…

1 answer
2024-09-15 15:41

The number of pages read on the fifth day was the number of pages read on the first day plus the number of pages read on the fourth day, which was 74 + 82 = 156 pages. Because the number of pages read on the fifth day was more than the sum of the previous four days, 156 > 4 × 71 + 3 × 63 + 2 × 82 + 1 × 74. Therefore, the answer was that Xiao Li read page 156 on the fifth day.

Li Hua read a 500-page extra-cursory book. On the first day, he read 15% of the total number of pages. On the second day, he read 30% of the total number of pages. 1 5 ...

1 answer
2024-09-25 16:51

Li Hua read a 500-page extra-cursory book. On the first day, he read 15% of the total number of pages. On the second day, he read 10% of the total number of pages. 1 5 On the third day, he read 20% of the total number of pages.

Naughty read a storybook. On the first day, he read 40% of the total pages. On the second day, he read 24 pages less than the first day. There were still 56 pages left. This book…

1 answer
2024-09-19 00:25

The total number of pages in this book is 100 pages. On the first day, I read 40 pages. On the second day, I read 24 pages less than the first day. Therefore, the number of pages I read on the second day is the number of pages I read on the first day plus 24 pages. The next day, he read 40 + 24 = 64 pages. So the total number of pages in the book was 100. Naughty read 40 pages on the first day and 64 pages on the second day. The remaining pages were 100 - 64 = 36 pages. On the first day, Naughty had read 40% of it, which was four pages. The next day, he read page 64/4 = 14. Therefore, the number of pages left for Naughty was 36 - 14 = 22. So, in the end, Naughty finished reading 22 pages, which was four pages less than the first day.

Xiao Ming read a mini-novel in three days. On the first day, he read more than 6 pages of the book. On the second day, he read half of the book. On the third day, he read 2 pages of the first day.

1 answer
2024-09-15 15:50

Xiao Ming read a mini-novel in three days. On the first day, he read more than a quarter of the entire book and six pages. On the second day, he read half of the entire book. On the third day, he read twice as many pages as the first day. According to the description of the title, Xiaoming read 1/4 of the book on the first day, which was 1/4 + 6/100 = 17/100 = 1/5. Therefore, Xiao Ming read about one-fifth of the book on the first day. The next day, Xiao Ming read half of the book. Therefore, Xiao Ming read 1/2 × 1/2 = 1/4 of the book the next day. On the third day, Xiao Ming read twice the number of the first day, which was 1/5 × 2 = 4/15. Therefore, Xiao Ming read about 4/15 of the book on the third day. As Xiao Ming read for a total of 3 days, the total number of pages in the book is: Total pages = Day 1 pages + Day 2 pages + Day 3 pages = 1/5 + 1/4 + 4/15 = 9/10 Therefore, the total number of pages in the novel was nine.

Xiao Gang read a book. On the first day, he read 30% of the total number of pages. On the second day, he read 4 pages less than the first day. There were 44 pages left. How many pages were there in this book?

1 answer
2024-09-25 17:08

Let's say the book has x pages. 30% read on the first day = 03x pages, the remaining pages are x-03x = 07x pages. The next day, I read 4 pages less than the first day, so I read 07x-4 pages the next day. According to the meaning of the question, the remaining pages are 44 pages, so there are: 07x-4 = 44 Solve the equation: 07x = 48 x = 64 So this book has 64 pages.

Xiao Ming read a book. On the first day, he read 1/6 of the book, the second day, he read 24 pages, and the third day, he read the total number of pages in the previous two days.

1 answer
2024-09-10 19:44

Xiao Ming read a book on the first day, he read 1/6 of the whole book, the second day, he read 24 pages, the third day, he read the total number of pages in the previous two days If he read 24 pages the next day, he would read (24 div6) = 4 pages the next day. The rest of the books had 5/6 pages. Xiaoming read 1/6 pages on the first day, so he read (5/6 div1/6) = 30 pages on the first day. Xiao Ming's remaining book had 1/6 pages. The number of pages he read the next day was 4 + 30 = 34. Xiao Ming's remaining book had 1/6 pages. The number of pages he read on the third day was 34 + 24 = 58. Therefore, on the third day, Xiao Ming read the entire book's 58 + 6 = 9 pages.

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