makenziedotwilliams makenziedotwilliams

22-03-2021
Mathematics

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If y varies directly as x, and y = 64 when x = 8. Find y when x = 12

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math3683 math3683

22-03-2021

Use the proportion 8/64 = 12/y. Cross multiply to get 8y = 768. Divide both sides by 8 to get y=96

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