Bunuel wrote:
Operating at the same constant rate, 4 identical machines can produce a total of 220 candles per minute. At this rate, how many candles could 10 such machines produce in 5 minutes?
(A) 512
(B) 2,200
(C) 2,750
(D) 11,000
(E) 44,000
(# of machines) * r * t = W
4 * r * 1 = 220
r of each machine:\(\frac{220}{(4*1)} = \frac{55}{1}\)
How many candles could 10 such machines produced in 5 minutes?
(# of machines) * r * t = W
10 *\(\frac{55}{1}\) * 5 = 2750 candles
Answer C
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