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If y varies directly with x and x=4 when, y=20, find k, the constant of variation.
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If y varies directly with x and x=4 when, y=20, find k, the constant of variation.

User Rahil Sharma
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1 Answer

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Direct variation means [ y = k x ]

Given . . . 20 = k 4

k = 20/4 = 5 .


User Muslimbek Abduganiev
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