3 persons can finish a certain work in 9 days. how many persons are needed to finish it in 6 days?
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Answer:
4.5 people
Step-by-step explanation:
no.of persons needed to complete the task in
9days: 3
no.of persons needed to complete the task in 6days: ?
=> 9 : 6 :: x : 3
=> 6x = 9*3
=> 6x = 27
=> x = 27/6
=> x = 4.5
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