GMAT Quantitative Reasoning Practice Test 2

Question : 91 of 100

Marks: +1, -0

Kramer can pack

X

boxes of cigarettes per minute. If there are

Y

boxes of cigarettes in one case, how many cases can Kramer pack in 2 hours?

Solution:

YIX is the time it takes Kramer to fill a case with boxes (in minutes).
In two hours there are 120 minutes, so

120{ /}(Y{ /} X)

120 X {/} Y

, and that is the number of cases that Kramer can fill in two hours.

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