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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?

Correct Answer: 1800

Explanation:

Let the required number of bottles be x.


More machines, More bottles (Direct Proportion)


More minutes, More bottles (Direct Proportion)


  m a c h i n e s 6 : 10 t i m e ( i n   m i n ) 1 : 4     270 : x  


 


=> 6 * 1 * x = 10 * 4 * 270


=> x= 1800


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