SOLUTION: If y varies directly as x, and x = 10 when y = 8, find y when x = 15. y=____?

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Question 1197036: If y varies directly as x, and x = 10 when y = 8, find y when x = 15.
y=____?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi  
y varies directly as x
That is:  y = kx
Given: 
y = 8 when x = 10 
    8 = 10k,  k+=4%2F5
find y when x = 15. 
      y = kx  
      y = %284%2F5%2915 = 12 
Wish You the Best in your Studies.