SOLUTION: Mary and John can deliver 80 papers in 4 hours. How long would it take them to deliver 36 papers?

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Question 386106: Mary and John can deliver 80 papers in 4 hours. How long would it take them to deliver 36 papers?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi,
Let x represent the time to deliver 36 papers
Question SetsUp the Proportion

Cross mulitply to solve for x
80x = 4*36
x = 4*36/80 = 1.8 hrs
CHECKING OUR ANSWER
80/4 = 20 = 36/1.8
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