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R is inversely proportional to the sum of m and n when m=4;and n=3,R=8. Find the value of m when m =47 and R= 8/3.

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*find m when *n= 47* and R = 8/3

r = k/(m+n)
so, r(m+n) is constant
so, you want m such that
8/3 (m+47) = 8(4+3)

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