SOLUTION: If y varies directly as x, and y = 8 when x = 5, find y when x = 15.
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Question 1096984:  If y varies directly as x, and y = 8 when x = 5, find y when x = 15. 
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
 y=kx
8=k*5
k=8/5
use k in next part 
y=(8/5)*15
y=24 
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