I have read two-fifths of a book, and there are still 135 pages left to read. I want the number of pages in the whole book.

2024-09-18 16:15

1. Xiao Hong read a book. On the first day, she read 25% of the book. On the second day, she read the remaining two-fifths. There are 135 pages left. How many pages are there in this book? RT, hmm

1 answer

2024-09-18 16:55

Suppose the book has x pages. It was known that two-fifths of the book had been read, and the remaining pages were 135. Therefore, he read this book in total: 135/(2/5 + 1) = 625/7/5 = 1275 pages. Since the total number of pages in the book is x, there are: x = 1275 pages. Therefore, the total number of pages in the book was: x = 1275 pages.

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...

A book has 170 pages. Xiaowen has read two-fifths of it. How many pages are there left?

1 answer

2024-09-10 12:51

Xiaowen had read two-fifths of the book, which meant that Xiaowen had read 170 pages divided by 2 = 85 pages. There were still 170 - 85 pages = 85...

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1 answer

2024-09-18 15:17

Suppose the book has x pages. On the first day, he read a quarter of the book, which was 1/4 * x page of the book. The next day, he...

A book had 170 pages. Xiaowen had read two-fifths of it. How many pages were left?

1 answer

2024-09-03 19:47

Xiaowen had read two-fifths of the book, which meant that Xiaowen had read 2/5 * 170 = 48 pages. Therefore, there were still 170 - 48 = 122 pages that...

Zhang Bin was reading a book. He had already read 39 pages, and there were still two-fifths left. How many pages were there in this book?

1 answer

2024-09-18 15:22

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1 answer

2024-09-18 15:25

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1 answer

2024-09-16 10:52

Assuming that there were still x pages left, the number of pages that had been read would be 420 - x. According to the question, the number of pages that...

Xiao Hong had already read 40 pages of the book, which was exactly two-fifths of the book. How many pages were left?

1 answer

2024-09-18 15:45

If Xiao Hong had already read 40 pages of a book, which was two-fifths of the book, then Xiao Hong had already read 20% or 0.2 times the book. How...

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1 answer

2024-09-18 15:27

Xiao Ming had a book with a total of 240 pages and had already read two-fifths of the entire book, so he had already read 240 × 2/5 = 96...

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1 answer

2024-09-17 02:30

Xiaofang read 15 of the book on the first day and read 10 pages on the second day, so she read a total of ${1}{5} +{1 = 15}$pages. Assuming that...