contestada

(a)A color printer prints
36
pages in
12
minutes. How many minutes does it take per page?
(b)At Davidson's Bike Rentals, it costs
$47
to rent a bike for
9
hours. How many dollars does it cost per hour of bike use

Respuesta :

(a) 36 pages per 12 minutes. 
3 pages per minute. 
0.33 minutes per page. 
(b) $47/9 = $5.22 per hour

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