Dear sir/Ma'am I have a problem in solving this question Q. Working at the same constant rate 7 identical machines can produce a total of 490 toys per minute at this rate , how many toys could 10 such machines produce in 5 minutes?
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Solution
7 machines can produce 490 toys/min 1 machine 70 toys/min
10 machines 700 toys/min 10 machines in 5 mins = 700*5 = 3500 toys