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Suppose that a is inversely proportional to b. If a = 6 when b = 3, find a when b = 8. Express your answer as a fraction.

 Feb 27, 2021
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a = k/b  

6 = k/3     k = proportionality constant = 18

 

a = 18 / 8      =  9/4 =   2 1/4    when b = 8

 Feb 27, 2021

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