Keith has a small summer business taking care of people’s lawns in his neighborhood. He finds that working by himself, he has to work about 27 hours each week to take care of all his clients’ needs. If he hires his brother to help him, together they can work about 50% faster than Keith was able to work alone. How many hours will they have to work each week to get the same amount of work done?

Instruction: Write your answer in the box below.

The distance travelled by a delivery vehicle can be calculated by the equation Distance = Speed x Time. What would be the correct representation of a situation in which a driver doubles his original speed, but drives for only of the original amount of time?

d_n = new distance d_{o =} original distance