Remember that $\displaystyle{29.6}={29.60}\usepackage{cmbright}\Huge\$ . Now compare the digits of $\displaystyle{29.60}\usepackage{cmbright}\Huge\$ and $\displaystyle{29.65}\usepackage{cmbright}\Huge\$ . The digits in the tens, ones, and tenths places are the same. Comparing the hundredths place, $\displaystyle{0}<{5}\usepackage{cmbright}\Huge\$ , so $\displaystyle{29.6}<{29.65}\usepackage{cmbright}\Huge\$ .