Running at the same rate, 8 identical machines can produce 560 paperclips a minute. At this rate, how many paperclips could 18 machines produce in 6 minutes?
Pick.
A) 1344  B) 3360  C) 7560  D) 50400  E) 67200

Rationale: "8 machines produce 560 in 1 min 8 machines produce 560 * 6 in 6 min 18 machine produce 560 * 6 * ( 18 / 8 ) in 6 minutes 560 * 6 * 18 / 8 = 7560 answer is c ."
Answer: C