SOLUTION: if f(x) varies directly with x, and f(x)=12 when x=-16 find the value of f(x) when x=20

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Question 1077324: if f(x) varies directly with x, and f(x)=12 when x=-16 find the value of f(x) when x=20
Answer by josgarithmetic(39620) About Me  (Show Source):