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if varies directly as x,and y = 12 when x = 15,find the value of y when x = 36.​

Sagot :

Answer:

y = kx

12 = 15k

4/5 = k

y = 4/5 x is the resulting equation with k = 4/5

y = 4/5 (36)

y = 144/5 = 28 4/5 = 28.8 is the answer.

That's all. Hope it helps.