hasil dari 3 3 per 8 : 2,25 + 2 1 per 2 *20%

[tex]3 \frac{3}{8} \div 2.25 + 2 \frac{1}{2} \times 20\% \\ = ( \frac{27}{8} \div 2 \frac{1}{4} ) + ( \frac{5}{2} \times \frac{1}{5} ) \\ = ( \frac{27}{8} \times \frac{4}{9} ) + \frac{1}{2} \\ = \frac{3}{2} + \frac{1}{2} = \frac{4}{2} \\ = 2[/tex]