Question

If 42 people do a work in 9 days, then in how many days 15 people will do that work​

Answer 1

70 Days

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Just Use Unitary Method

Answer 2

Answer:

70 days.

Step-by-step explanation:

The ratio of the number of people to the number of days is 42/9 = 14/3.

When you multiply 15 and 14/3, you get 5*14 = 70.

To check, number of days/number of people = 42/9 = 70/15. :)