Running at the same 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 ?

– by 0

A. 1800
B. 450
C. 2700
D. 1080

= 270/6 Number of bottles produced by 10 machines in 4 minutes
= (270/6)*10*4 = 1800

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