Answer:
0.45 / [tex]\frac{9}{20}[/tex]
Step-by-step explanation:
[tex](-\frac{1}{2} )(\frac{3}{5} )+\frac{3}{2} -\frac{3}{5} (\frac{5}{4} )[/tex]
[tex]=\frac{9}{20} / 0.45[/tex]