Given:
a) A color printer prints 17 pages in 6 minutes.
[tex]\begin{gathered} 17\text{ pages=6 minutes} \\ 1\text{ minute=}\frac{17}{6}\text{pages} \\ 1\text{minute =2.83 pages} \end{gathered}[/tex]A color printer prints 2.83 pages (approximately) per minute.
b) Cheng;s bike cost $40 rent for 8 hours.
[tex]\begin{gathered} \frac{x}{1}=\frac{8}{40} \\ x=0.2\text{ hours per dollar} \end{gathered}[/tex]Answer: customer