SOLUTION: John read 60% of a book in 1 hour 24 minutes. At the same rate, how long will it take him to read 75% of the book?

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Question 901300: John read 60% of a book in 1 hour 24 minutes. At the same rate, how long will it take him to read 75% of the book?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
There are 60 minutes in one hour.
Then 24 + 60 = 84 minutes.
Set up a proportion.
0.60/0.75 = 84/t
Let t represent time.
Solve for t.
84(0.75) = 0.60t
63 = 0.60t
63/0.60 = t
105 = t
It will take 105 minutes, which is the same as 1 hour and 45 minutes.