seven people need 90 days to repair and paint a heritage building. if the job should be completed in 15 days. how many more people need to be employed.

Question

Adele

Mathematics

4 May, 16:43

seven people need 90 days to repair and paint a heritage building. if the job should be completed in 15 days. how many more people need to be employed.

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Answers (1)

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Sherlyn · Answer 1

Here is your answer mate

Step-by-step explanation:

As we know that 7 person take 90 days so 1 person takes 90*7=630 days

As work has to be finished in 15 days than 630/15=42 so

42 people can complete work in 15 days but as we have already 7 people employed so required are

42-7=35 so 35 more are needed