SOLUTION: write a general formula to describe the variation. y varies directly with x; y=5 when x=30

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Question 560012: write a general formula to describe the variation. y varies directly with x; y=5 when x=30
Answer by Alan3354(31518) About Me  (Show Source):
You can put this solution on YOUR website!
write a general formula to describe the variation. y varies directly with x; y=5 when x=30
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y = kx
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5 = k*30
k = 1/6
--> y = x/6