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marusya05 [52]
3 years ago
14

carmelo read 38 pages of a book on Monday. He read 2/5 of the remainder on Tuesday. If he still had 72 pages left to read after

Tuesday, how many total pages are in carmelo's book
Mathematics
1 answer:
iris [78.8K]3 years ago
7 0
38 + 2*(x-38)/5 + 72 = x

you put x-38 because that is the value of reminder he read on tuesday

110 + 2(x-38)/5 = x

multiply by 5

550 = 5x-2(x-38)

550=5x - 2x + 76

474=3x

devide by 3

x=158
that is the number of pages


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