A contractor undertook to do work in 60 days . He employed 50 workers to carry job,but after 40 days he found half work done. Now how many more workers should he employee to go finish workin time
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Answer:
25. he should employ another 25 workers.
Step-by-step explanation:
There is a inverse relation in the problem.
50 can complete half job in 40 days
to complete work of 60 days I.e remaining 20 days work. they need to work 50% extra for that we need 50% extra workers. so total we need 75 workers I.e 25 extra.
Mathematical proof
50 workers = 40 days(half work)
how many workers to complete another half?I.e total work of 60 days...
= Since it is inversely related
X= 50×60÷40=75. therefore 75-50=25 extra workers....
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