Question

Word problem on unit rates associated with ratios of whole...

Answer each part. If necessary, round your answers to the nearest hundredth.
Х
$
(a) A color printer prints 17 pages in 6 minutes.
How many pages does it print per minute?
pages per minute
(b) At Cheng's Bike Rentals, it costs $40 to rent a bike for 8 hours.
How many hours of bike use does a customer get per dollar?
hours per dollar

Answer 1

Given:

a) A color printer prints 17 pages in 6 minutes.

`\begin{gathered} 17\text{ pages=6 minutes} \\ 1\text{ minute=}(17)/(6)\text{pages} \\ 1\text{minute =2.83 pages} \end{gathered}`

A color printer prints 2.83 pages (approximately) per minute.

b) Cheng;s bike cost $40 rent for 8 hours.

`\begin{gathered} (x)/(1)=(8)/(40) \\ x=0.2\text{ hours per dollar} \end{gathered}`

Answer: customer