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Asked by Cynthia

If r varies p and p = 15 when r = 40 find the law connecting r and p. Also find p when r =42.5
3 years ago

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Answered by oobleck
assuming you meant r varies directly as p, then
r = kp
so,
40 = 15k
k = 40/15 = 8/3
now solve for p in
(8/3)p = 42.5
3 years ago
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If r varies p and p = 15 when r = 40 find the law connecting r and p. Also find p when r =42.5

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