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Question

Pradeep receives an export order for garments. He has30 machines to complete the order in60 days. How many machines would be required to complete the job in40 days?


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Solution

Step1: Finding he job to be completed on 1 day

The number of machines is inversely proportioned to the number of days

60days =30 machines

1day =60x30=1800machines

Step2: Finding the job to be completed in40 days

1day =1800 machines

40days =1800÷40=45 machines

45 machines are needed to complete the job in40 days.


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