Running at the same rate, 8 identical machines can produce 560 paperclips a minute. At this rate, how many paperclips could 20 machines produce in 6 minutes?
A. 1344
B. 3360
C. 8400
D. 50400
E. 67200
Answer: C
Source: Magoosh
Running at the same rate, 8 identical machines can produce 560 paperclips a minute. At this rate, how many paperclips
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Solution:
We see that one machine can produce 560/8 = 70 paperclips per minute; therefore, 20 machines can produce 20 x 70 x 6 = 8400 paperclips in 6 minutes.
Answer: C
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