SOLUTION: If x varies directly as y, and x is 10 when y is 150, find the constant of variation.

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Question 1080234: If x varies directly as y, and x is 10 when y is 150, find the constant of variation.

Answer by MathLover1(20849) About Me  (Show Source):
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If x varies directly as y, the constant of variation is k, so we have
y=kx
if x=10 when y=150, the constant of variation will be:
150=k%2A10
k=150%2F10
k=15