Answer
22$\frac{1}{2}$ %
Work Step by Step
$\frac{9}{40}$ =$\frac{9}{40}$ $\times$ 100%
=$\frac{9}{40}$ $\times$ $\frac{100}{1}$ %
=$\frac{900}{40}$ %
=22$\frac{1}{2}$ %
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