Solve. -Mike, Joe, and Bill Are Painting a Fence. the Painting

Multiple Choice

Solve.
-Mike, Joe, and Bill are painting a fence. The painting can be finished if Mike and Joe work together for 4 hours and Bill works alone for 2 hours or if Mike and Joe work together for 2 hours and Bill works alone for 5 hours,
Or if Mike works alone for 6 hours, Joe works alone for 2 hours, and Bill works alone for 1 hour. How much time Does it take for each man working alone to complete the painting?

A) Mike 8 hr, Joe 8 hr, Bill 16 hr
B) Mike 12 hr, Joe 10 hr, Bill 10 hr
C) Mike 16 hr, Joe 8 hr, Bill 8 hr
D) Mike 8 hr, Joe 16 hr, Bill 8 hr