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12-02-2018
Mathematics

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If y varies inversely as x and y=32 when x=3, find x when y=15

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soniayeung1243oxuz6x soniayeung1243oxuz6x

12-02-2018

y=kx, k is not equal to 0
when y=32,x=3, 32=3k
k=32/3
so y=32/3*x
when y=15, 15=32/3*x
x=45/32

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