Mathematics
Egypt
2016-04-17 15:13:27
It takes 45 minutes for 4 people to paint 5 walls. How many minutes does it take 6 people to paint 4 walls?
ANSWERS
randiii
2016-04-17 17:12:13

First find the rate per person... 4people*45min(r)=5walls r=1/36  so each person can paint 1/36 of a wall in one minute.... Now we have 6 people and 4 walls so: 6people(1/36)*time=4 t/6=4 t=24 minutes.

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