M varies directly with n; m = 144 when n = 8, how do you write the direct variation equation?

1 Answer
Jim G.
Aug 7, 2017

m=18n

Explanation:

"the initial statement is "mpropn

rArry=knlarr" k is constant of variation"

"to find k use the given condition"

m=144" when "n=8

m=knrArrk=m/n=144/8=18

"equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(m=16n)color(white)(2/2)|)))

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