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Asked by Jess

The variables x and y vary directly. When x=12, y=9. Write an equation that relates the variables.
10 years ago

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Answered by Steve
y = kx
9 = 12k, so k = 3/4

y = 3/4 x
10 years ago
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The variables x and y vary directly. When x=12, y=9. Write an equation that relates the variables.

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