Second 82446

Petr read ⅜ of the book in the first week, ¼ of the book in the second week, and ⅒ of the book in the third week. The book has 240 pages. How many pages does Peter have left to read?

Correct answer:

x =  66

Step-by-step explanation:

n=240  r=83+41+101=4015+4010+404=4015+10+4=4029=0.725 w=1r=14029=401 404029=40404029=404029=4011=0.275  x=w n=4011 240=4011 240=402640=66

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