The total number of people is 10 out of that the 7 people can paint 7/10 of a building in 5 days.
The given is 10 people can paint a building in 5 days.
10 people take to paint a whole building.
10 people =5 days
7 people =5 days
10/7 people =5 days
Forget about the 5 days.
To first find out how much of a building can one person paint so, 1/10.
That is 7 people can paint 7/10 of a building in 5 days.
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https://brainly.com/question/251701