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Variable y varies directly with variable x, and y = 6 when x = 20. What is the constant of variation in decimal form?
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Variable y varies directly with variable x, and y = 6 when x = 20. What is the constant of variation in decimal form?

User DSquared
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If y varies directly with x, then k (the constant of variation)= y/x.
So to find k, plug in y and x,
k=6/20=3/10
Hope this helps.
User Rig Veda
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