A boy reads 3/7 pages of a book on the first day and 2/5 pages on the second day. If he did not read 30 pages, how many pages did he read on the first day?
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Step-by-step explanation:
After reading 3/8 of the book, the remaining fraction 1 - 3/8 = 5/8
The boy then reads 4/5 of 5/8 = 4/5 x 5/8 = 1/2
Total fraction read = 3/8 + 1/2 = 7/8
The unread fraction = 1 - 7/8 = 1/8 This is equivalent to 30 pages
∴ The book has 30 ÷ 1/8 = 240 pages
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