Question

Two car washers, Michelle and Nancy, are working on your car. Michelle can complete the work in 6 hours, while Nancy can complete the work in 3 hours. How many hours does the car washing take if they work together? (1 point) Question 21 options: 1) 3 2)2 3)6/8 4) 4/3

Answer 1

They could complete the the work in 2 hours working together.

6 divided by 3 = 2 hours.

Answer 2

1 / (1/6 + 1/3) = 2 hours