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22 August, 08:02

A varies directly as b and inversely as the square of c. If a = 197 when b = 5 and c = 5, find a if b = 3 and c = 3

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  1. 22 August, 08:21
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    With the information you provided, we can find an equation.

    A=kB / (C^2) (k is a constant)

    197 = 5k / (5^2)

    197=5k/25

    197=k/5

    k = 985

    So find a if b=3 and c=3

    A = 3 (985) / (3^2)

    A = 2955/9 is your answer.
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