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Suppose y varies directly as x. If y = 20 when x = 3, find k​

User Chateau
by
8.2k points

1 Answer

0 votes

Answer:

k =
(20)/(3)

Explanation:

given that y varies directly as x , then the equation relating them is

y = kx ← k is the constant of variation

to find k , substitute y = 20 when x = 3 into the equation

20 = 3k ( divide both sides by 3 )


(20)/(3) =
(3)/(3) k , that is

k =
(20)/(3)

User Ohioma
by
8.9k points

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