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varies directly as and varies inversely as .
Find when and and when and .
Consider the values are and .
Find .
varies directly as , and goes in the numerator and varies inversely as ,and goes in the denominator.
(Solve for )
(Set the two proportions equal to each other)
(Substitute and )
(Cross multiply)
(Simplify)
(Divide each side by )
(Cancel common term)
Therefore, the value of is .
When and and the value of .
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