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If a laser printer can print 2 pages in 10 seconds, how many pages can it print in 3 minutes at the same rate?

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If a laser printer can print 2 pages in 10 seconds, how many pages can it print in 3 minutes at the same rate?

by Gmat_mission » Thu Nov 19, 2020 11:32 am

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If a laser printer can print 2 pages in 10 seconds, how many pages can it print in 3 minutes at the same rate?

A. 5
B. 12
C. 18
D. 36
E. 60

Answer: D

Source: Princeton Review
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Re: If a laser printer can print 2 pages in 10 seconds, how many pages can it print in 3 minutes at the same rate?

by Scott@TargetTestPrep » Wed Nov 25, 2020 8:27 am
Gmat_mission wrote: ↑
Thu Nov 19, 2020 11:32 am
 If a laser printer can print 2 pages in 10 seconds, how many pages can it print in 3 minutes at the same rate?

A. 5
B. 12
C. 18
D. 36
E. 60

Answer: D

Solution:


We see that the rate of the laser printer is 2/10 = 1/5 of a page per second. Since there are 180 seconds in 3 minutes, the number of pages the printer can print in 3 minutes is 1/5 x 180 = 36 pages.

Answer: D

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