Cindy can mow her lawn in an hour and 20 minutes. Her younger, stronger brother Bill has a wider mower who mows her yard in 50 minutes by himself. The neighbor saw Bill and Cindy working together to mow Cindy's lawn. He asked the two of them to mow his yard which is 50 percent larger than Cindy's. Working together, how long would it take Bill and Cindy to mow the neighbor's yard? Round to the nearest minute.
A) 46 minutes
B) 98 minutes
C) 42 minutes
D) Not enough information to solve