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Uncle Li has read a novel. He has read 120 pages, which is 30 pages more than 3/4 of the number of pages he has not read. How much is left in this novel?

2024-09-10 17:44
Uncle Li has read a novel. He has read 120 pages, which is 30 pages more than 3/4 of the number of pages he has not read. How much is left in this novel?
1 answer
2024-09-10 21:22

The novel has a total of 120 pages, of which the unread pages account for 3/4 of the pages of the book (1-3/4) * 120 = 30 Then the number of unread pages in the novel is 1/4 of the number of pages in the book 1/4 * 120 = 30 So the remaining pages of this novel are 120 - 30 = 90 Therefore, there were 90 pages left in the novel.

When someone reads a 252-page novel, the number of pages he has read is equivalent to 2 and 1/2 times the number of pages he has not read. How many pages has he read?

1 answer
2024-09-10 18:08

Let the number of pages he has read be x and the number of pages he has not read be 252-x. According to the meaning of the question, the equation could be listed: x × 5/7 = (252 - x) × 2 × 1/2 To simplify it: 5x = 1260 - 7x 8x = 1260 x = 150 Therefore, he had already read 150 pages, and the number of pages he had not read was 252-150=102 pages. Therefore, he had read page 150 but not page 102.

Three fifths of a book has been read, and there are 15 pages left. The number of pages read is a fraction of the number of pages not read

1 answer
2024-09-18 15:44

If a book has been read three-fifths of the way and there are 15 pages left, then the number of pages read is the number of pages not read: Number of pages seen/number of pages not seen = 3/5/4/5 = 3/4 Therefore, the number of pages that had been read was four-thirds of the number of pages that had not been read.

Xiao Jin is reading a 72-page storybook. The number of pages he has read is two-sevenths of the number of pages he has not read. How many pages has Xiao Jun read?

1 answer
2024-09-16 13:18

When Xiao Jin read a 72-page storybook, the number of pages he had read was two-sevenths of the number of pages he had not read. Number of pages seen = number of pages not seen div7 = 1267 Therefore, Xiao Jun had already read a lot of pages, about 1267 pages.

Xiao Ming is reading an extra-cursory book. This book has 150 pages. He has read three-fifths of the total pages. How many pages has he read and how many pages are left?

1 answer
2024-09-18 15:21

The total number of pages that Xiao Ming had read was 150. He had already read three-fifths of the total number of pages, which was 3/5 = 6%. Therefore, Xiao Ming had already read about 6% of the pages, and the remaining pages were 150 - 6%= 144 pages.

Dongdong reads a book on the first day. The ratio of the number of pages he has read to the number of pages he has not read is two to three. The next day, he reads 30. At this time, the number of pages he has not read is this

1 answer
2024-09-25 16:56

Suppose the book has a total of $n$pages, the number of pages read is $m$, and the number of unread pages is $n-m$. According to the question, the ratio of the number of pages read to the number of pages unread is two to three, and the following equations can be listed: $$ \begin{cases} m = 2(n-m) \\ m + 30 = n \end{cases} $$ Transforming the second equation into $n = 4m + 30$and replacing it into the first equation gives $2m = 30$. The solution is $m = 15$. So the book has a total of $n=50$pages, the number of pages read is $m=20$, and the number of unread pages is $n-m=30$.

Ding had read 300 pages of a book, which was 27 pages less than the number of pages he had not read. How many pages were left?

1 answer
2024-09-19 03:20

Assuming that the book has a total of n pages, then the ones that Ding has not read are n-300 pages. According to the question, Ding read 300 pages more than he did not. n - (n-300) = 300 To simplify it: 2n - 300 = 300 2n = 300 + 300 2n = 600 n = 300 Therefore, the book had a total of 300 pages. Little Ding had already read 300 pages, but he hadn't read 300-300=0 pages. Hence, there were still 0 pages left.

Jerome has read 50 pages of a novel. What fraction of the novel has he read if the novel has 300 pages in total?

1 answer
2024-11-26 08:51

The total number of pages of the novel is 300 and Jerome has managed to read 50 pages. To determine the fraction of the novel that he has read, we set up a fraction with the number of pages he has read as the numerator and the total number of pages as the denominator. That gives us 50/300. We can simplify this fraction by dividing both the numerator and the denominator by 50. 50 divided by 50 is 1, and 300 divided by 50 is 6. So the fraction of the novel that Jerome has read is 1/6.

Xiao Ming reads 12 pages of the storybook every day. If he has read for a day, how many pages has he read? How many pages were left?

1 answer
2024-09-16 10:50

Xiao Ming had already read page 12a, and there were still pages 108- 12a left.😋I recommend a novel about transmigration and cultivation to you. It's called "The Mountain Man Has His Own Plan." This book had the elements of Xianxia and Cultivation. It told the story of the protagonist Fang Xin transmigrating to the game world, establishing a country in the game, awakening the inheritance, and growing stronger step by step. I hope you like this fairy's recommendation. Muah ~😗

John read the first 114 pages of a novel. How many more pages does he need to read to finish the novel if the novel has 300 pages?

2 answers
2024-12-13 18:36

Well, we know that the total number of pages in the novel is 300. John has already covered 114 pages. To find out how many pages are left, we simply subtract the number of pages he has read from the total number of pages. So, it's like taking the whole amount (300) and removing the part he has already done (114). When we do this subtraction, 300 - 114 gives us 186. So, John has 186 pages left to read in order to finish the novel.

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