Basic College Mathematics (10th Edition)

$\frac{63}{100}=\frac{p}{100}$ We can take the cross products to solve for p (where p is the percentage representation of the given fraction). $63\times100=100\times p$ $6300=100p$ Divide both sides by 100. $\frac{6300}{100}=\frac{100p}{100}$ $p=63$%