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OpenStudy (anonymous):
Suppose y varies directly with x. If x is 30 when y is 10, what is x when y is 9.
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OpenStudy (espex):
There is a direct relation between x and y, so you know that whatever y does, x does proportionally. \[\frac{x}{y} \rightarrow \frac{30}{10}=\frac{x}{9}\] Simply solve for x.
OpenStudy (anonymous):
How do i solve for x?
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