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Jerry's Paint Service use 3 gallons ofpaint in 2 hours. At this rate howmany hours will it take them to use 14 gallons of paint?

Sagot :

Jerry's Paint Service uses 3 gallons of

paint in 2 hours. At this rate how

many hours will it take them to use 14 gallons of paint?

Apply proportion

2/3=x/14

solve for x

x=14*2/3

x=9.33 hours or 9 1/3 hours

How to make the proportion

2 ways

First

2 hours/3 gallons=x hours/14 gallons

solve for x

multiply in cross

14*2=3x

x=28/3

second way

3 gallons/2 hours=14 gallons/x hours

solve for x

multiply in cross

3x=14*2

x=28/3

the result is the same both ways