carcass wrote:
If a photocopier makes 2 copies in \(\frac{1}{3}\) second, then, at the same rate, how many copies does it make in 4 minutes?
(A) 360
(B) 480
(C) 576
(D) 720
(E) 1,440
The rate of the photocopier, in minutes, is:
2/(1/3) x 60 = 6 x 60 = 360
So in 4 minutes, 360 x 4 = 1,440 copies are made.
Answer: E
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