Question

It takes 3 people 4 hours to paint a wall.

Assume that all people paint at the same rate.
a) How long would it take one of these people to paint the same wall?
b) How long would it take 5 people to paint the same wall?
Give your answer in hours and minutes.
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Answer 1

Answer:12 hours

Explanation:

3=4 hours

1= 3 times slower.

1= take longer

4 times 3=12