Math, asked by skysharma, 11 months ago

a contractor has a workforce of 420 month who can finish a certain piece of work in 9 month how many extra man must be employed to complete the same job in 7 months

Answers

Answered by queen200820

2

Answer:

540

Step-by-step explanation:

540

❤hope its help ❤

Answered by mateen69

0

Answer:

540

................ .....

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