SOLUTION: Suppose y varies directly as x . If y= 5 when x= 8 find y

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Question 1000027: Suppose y varies directly as x . If y= 5 when x= 8 find y
Answer by ikleyn(52803) About Me  (Show Source):
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The condition says that y = k*x with some constant k.

To find k, substitute x = 8, y = 5. You will get

5 = k*8.

It means that k = 5%2F8. Hence, y = 5%2F8.x.

It is the expression you are asked about.