#982 · Algebra · Sequences & series

Find Q from Direct and Inverse Variation

If $P$ varies directly as $Q$ and inversely as $R$ , and $P = \frac{2}{3}$ when $Q = \frac{3}{7}$ and $R = \frac{9}{14}$ , find $Q$ when $P = 48$ and $R = 75$ .

~2 minAnswer checked instantlyDirect variationInverse variation

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. III. Variation, Examples III, No. 7

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).