Answer:
[tex]part \: a. \\ \boxed{ \frac{9}{6} = 1.5} \boxed{ \frac{15}{10} = 1.5 } \boxed{ \frac{24}{16} = 1.5 } \boxed{ \frac{60}{40} = 1.5} \\ part \: b. \\ \boxed{ \frac{25}{5} = 5} \boxed{ \frac{50}{10} = 5 } \boxed{ \frac{80}{20} = 4 } \boxed{ \frac{120}{30} = 4} \\[/tex]
