8 person can do a work in 5 days. I how many days that work can be completed by 4 person??
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8 person can do a work in 5 days. I how many days that work can be completed by 4 person??
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Answer:
Step-by-step explanation:
If number of men is changed n times, time will change by (1/n) times the initial time.
8n = 4
(1/n) = 8/4
(1/n) of 5 = 2 of 5 = 10 days
4 person can do the work in 10 days
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