SOLUTION: 3pounds cost $15.how many pounds can you buy for $45?

SOLUTION: 3pounds cost $15.how many pounds can you buy for $45?

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Question 520441: 3pounds cost $15.how many pounds can you buy for $45?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
3/15=x/45
15x=45*3
15x=135
x=135/15
x=9
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