Five people can mow a lawn in 12 hours. How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?
+36916 1 lawn / (5 people 12 hours) = 1 l / 60 p-h
1 / 60 p-h x 3 hr = 3/(60 p) 60/3 = 20 people needed or 15 MORE people needed
+36916 1 lawn / (5 people 12 hours) = 1 l / 60 p-h
1 / 60 p-h x 3 hr = 3/(60 p) 60/3 = 20 people needed or 15 MORE people needed
