Incorrect. $\displaystyle\frac{{1}}{{2}}\div{5}\usepackage{cmbright}\Huge\$ will show what fraction of a whole pie each person will get. Write 5 as $\displaystyle\frac{{5}}{{1}}\usepackage{cmbright}\Huge\$ and multiply by the reciprocal: $\displaystyle\frac{{1}}{{2}}\div\frac{{5}}{{1}}=\frac{{1}}{{2}}\cdot\frac{{1}}{{5}}\usepackage{cmbright}\Huge\$