Xiao Ming had read 80 pages of a science and technology book, and there were 31 pages left. The pages that he had read and the pages that he had not read each accounted for a fraction of the total pages of the book.
2024-09-11 02:54
Little Ming had read 80 pages of a science book, and there were still 31 pages left. How many pages did he read and how many pages did he not read?
1 answer
The total number of pages in this book is 101. Xiao Ming has read 80 pages and has not read the remaining 31 pages. Therefore, the number of pages that Xiao Ming has read accounts for the total number of pages:80 pages/101 pages =08(copies) The number of pages that have not been read accounts for the total number of pages:31 pages/101 pages =03(copies) Therefore, there were 08 copies and 03 copies for those that Xiao Ming had seen and those that he had not seen.
A book had a total of 170 pages. He had already read 90 pages. How many pages were left?
1 answer
2024-09-07 17:18
There were 170 pages in a book. He had already read 90 pages, so there were still 80 pages left.
A comic book had a total of 19 pages. He had already read seven pages. How many pages were left?
1 answer
2024-09-16 10:50
This comic book had a total of 19 pages. He had already read 7 pages, so there were 19 - 7 = 12 pages left.
A book had a total of 200 pages, and he had already read 120 pages. What percentage of the book had he read?
1 answer
2024-09-18 14:33
A book has a total of 200 pages, and 120 pages have been read. The percentage of the book can be calculated by calculating the ratio of the number of...
A book had a total of 90 pages. He had read three-fifths of it. How many pages were left?
1 answer
2024-09-16 11:35
A book of 90 pages, three-fifths read, then there was still:
90 - 3/5 * 90 = 90 - 36 = 54 pages.
Therefore, there were still 54 pages left.
A book had a total of 150 pages, and Xiao Ming had already read 80 pages. How many pages have you read? How many of them were left?
1 answer
2024-09-16 10:54
Xiao Ming had already read 80 pages, so the number of pages he had read accounted for 2/3 of the total number of pages. The remaining pages were 150 -...
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...
Xiao Ming is reading a book. He had read 20% of the total number of pages on the first day. The number of pages read on the second day was 5:4 compared to the number of pages read on the first day. There were still 110 pages left to be read…
1 answer
2024-09-12 08:32
Xiao Ming reads a book on the first day, 20% of the total number of pages, and the number of pages read on the second day is 5/4 of the...
The book had a total of 170 pages, and he had already read 90 pages. (1) How many pages are left? (2) The remaining pages must be read within 4 days, on average, every day…
1 answer
2024-09-16 11:17
(1)There were still 80 pages left. (2)The remaining pages had to be read within four days, an average of 80 pages per day. This was equivalent to 80/170 = 05...
Xiao Ming read a novel. On the first day, he read 1/8 of the book and had 21 pages more. On the second day, he read 1/6 of the book and had 4 pages less, leaving 102 pages unread.
1 answer
2024-09-24 01:01
Xiao Ming read a novel on the first day and read 1/8 of the entire book with 21 pages more. On the second day, he read 1/6 of the entire...
Wang Hong read a book. On the first day, he had read 3/7 of the total number of pages. On the second day, he had read 1/4 of the total number of pages. How many pages of the book had he not read?
1 answer
2024-09-18 23:30
Wang Hong read a book on the first day, read 3/7 of the total pages, and the next day, read 1/4 of the total pages. How much of the book...
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