Solve the Problem. -Shelly Can Cut a Lawn with a Riding Mower in Riding

Multiple Choice

Solve the problem.
-Shelly can cut a lawn with a riding mower in 4 hours less time than it takes William to cut the lawn with a push mower. If they can cut the lawn in 4 hours working together find how long to the nearest tenth of an hour it
Takes for William to cut the lawn alone. Round to the nearest tenth of an hour.

A) 10.6 hours
B) 6.5 hours
C) 6.6 hours
D) 10.5 hours