Xiao Lin was reading a book. He had already read 180 pages, and there were still 5/6 left. How many pages is this book?
2024-09-15 14:33
1 answer
This book had a total of 180 + 5/6 = 195 pages.
Xiao Ming was reading a storybook. He had already read 40% of the book, and there were still 90 pages left. How many pages does this book have?
1 answer
2024-09-16 10:55
This book has a total of $90+40%<<20>>= 1620$pages. Of which, 40% of the pages were already read by Xiao Ming, and the remaining 90 +80=170 pages were unread.
Xiao Ming was reading a storybook. He had already read 40% of the book, and there were still 90 pages left. How many pages does this book have?
1 answer
2024-09-16 10:50
This book has a total of $90+ 40%$ $×$pages. Substituting 40% into the above formula: $90+04×$ $×$pages = $90+04×$ $×$ (100-90) = $90+04×$ $× $10 = $90+04×$ $× $100 =...
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.
Little Fatty was reading a book. He had already read half of the book, but three pages were missing. There were still 90 pages left. How many pages were there in this book?
1 answer
2024-09-16 11:05
Lil 'Fatty had already read half of the book. Three pages were missing, which meant 1/2 - 1/2 + 3 = 2/3 pages. Therefore, Lil 'Fatty had already read 2/3...
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
This book had: 39 + 2/5 = 39 + 06 = 406 pages. Because the number of pages in a book must be an entire number, the decimals needed to...
He had already read three-quarters of the book and there were still twenty-four pages left. How many pages were there in the book?
1 answer
2024-09-10 17:44
He had already read 3/4 of the book, which was 1/2 of the pages, so the remaining pages should be twice the number of pages in the book, which was...
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.
Xiao Hua read a book and read 15 pages a day. After reading for 4 days, he still had 2/5 of the book left. How many pages of this storybook had he not read?
1 answer
2024-09-15 14:15
Assuming that this storybook had $x$pages, then the number of pages Little Light read every day was $15/div4 = 375$pages. Little Light had already read $4$for days, so the remaining...
Xiao Ming read a book and read 15 pages a day. After reading for 4 days, he still had 2/5 of the book left. How many pages does this book have?
1 answer
2024-09-16 18:13
Xiao Ming read a total of $4/15 = 60$pages in 4 days. The remaining pages are $2/5$of the book, so the book has a total of $2/5/60 = 48$. Thus,...
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 -...
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