4 people can paint a house in 6 hours.
(a) How long would it take one person to paint a house?
(b) How long would it take 3 people to paint a house?
+37159 A It will take 4 times longer = 24 hours
B it takes 4 p x 6h = 24 people hours to paint a house
24 p-h / 3 p = 8 hours for 3 people
