c) [tex] \frac{0.32 \times ( - 0.9)}{3.6} = \frac{ - 0.288}{3.6} = -0.08[/tex]
d) [tex] \frac{(5 \frac{1}{3} - 4 \frac{1}{2}) \times ( \frac{1}{10} - \frac{1}{1}) }{1 \frac{1}{8} } = \frac{ (\frac{16}{3} - \frac{9}{2} ) \times ( \frac{1}{10} - \frac{10}{10} ) }{ \frac{9}{8} } = \frac{ (\frac{32}{6} - \frac{27}{6} ) \times (-\frac{9}{10}) }{ \frac{9}{8} } = \frac{ \frac{5}{6} \times (-\frac{9}{10}) }{ \frac{9}{8} } = \frac{ -\frac{45}{60} }{ \frac{9}{8} } = \frac{ -\frac{9}{12} }{ \frac{9}{8} }= \frac{9}{12} \times (-\frac{8}{9}) = -\frac{72}{108} = -\frac{36}{54} = -\frac{18}{27} = -\frac{2}{3} [/tex]
