# SOLUTION: Find the constant of variation k. m varies directly with n; m = 144 when n = 8.

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 Click here to see ALL problems on Graphs Question 60781This question is from textbook : Find the constant of variation k. m varies directly with n; m = 144 when n = 8.This question is from textbook Answer by jai_kos(139)   (Show Source): You can put this solution on YOUR website!Given that m varies directly with n That is m α n m = kn  (1) Where k is the constant of variation. Now substitute the values for m = 144 and n = 8, we get 144 = k*8 Divide the above equation by 8, we get 144/8 =k 18 = k The constant of proportionality is 18.