SOLUTION: if y varies directly as x and y = 10 when x = 1/2, what is the value of y when x = 2?

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Question 392913: if y varies directly as x and y = 10 when x = 1/2, what is the value of y when x = 2?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
10%2F%281%2F2%29+=+y%2F2 ==> 20 = y/2 ==> y = 40.