SOLUTION: Mercy runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?
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Question 970920: Mercy runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
5 is to 38 as x is to 57
57 is half again as much as 38; 57=1(1/2) x 38
half again greater than 5 is 7 (1/2) ;;5(1/2)=2 1/2
OR cross multiply
5*57=x*38
(5*57)/38 =x= 7.5
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