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If x and r are directly proportional and x=5 when r= \(40\), then what is x when r = \(25\)?

 May 14, 2022
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What is x when r = 25?


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\(x:r=5:40\\ x=\frac{r}{8}=\frac{25}{8}=\color{blue}3.125\)

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 May 14, 2022

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