## Basic College Mathematics (9th Edition)

$7857ft^{2}$
Area of Hall = Length $\times$ width = $108 ft\times72\frac{3}{4} ft$ = $\frac{108}{1}\times\frac{291}{4} ft^{2}$ = $\frac{108\times291}{1\times4} ft^{2}$ =$27\times291 ft^{2}$ = $7857ft^{2}$