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If a varies inverse as b, and a=7 when b=3, find b when a=9

Algebra
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If a varies inverse as b, and a=7 when b=3, find b when a=9

Oct 8th, 2014

Suppose K is a fixed constant

a=k/b

7=k/3

k=3X7=21

So,b=k/a

Here a=9

b=21/9=2.33

Oct 8th, 2014

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Oct 8th, 2014
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Oct 8th, 2014
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