Problem Solving



Running at the constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

(A) 648

(B) 1,800

(C) 2,700

(D) 10,800

(E) 64,800


In one minute 6 identical machines produce 270 bottles.

That means, in one minute one machine produces 270/6 = 45 bottles.

That means, in four minute one machine produces 45*4 = 180 bottles.

That means, in four minute 10 identical machines produce 180*10 =1800 bottles.

So, the answer is (B).

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