Answer
$n=10$
Work Step by Step
$\frac{n}{3\frac{1}{8}} = \frac{7\frac{3}{5}}{2\frac{3}{8}}$
$n \times 2\frac{3}{8} = 7\frac{3}{5} \times 3\frac{1}{8}$
$\frac{19n}{8} = \frac{38}{5} \times \frac{25}{8}$
$\frac{19n}{8} = \frac{950}{40}$
$19n \times 40 = 950 \times 8$
$760n = 7600$
$n=10$
