A large fitness center offers a track weight room, and pool. The fitness center charges $29 per month for a basic membership, and there is an additional charge of $6 for each hour of pool use. The fitness center charges by the quarter hour for the pool What is a viable solution for the number of hours used in the pool and the total monthly cost? A. 4.5 hours of pool use for a total monthly charge of $136.50 B.6.S hours of pool use for a total monthly charge of $69.80 C. 7.75 hours of pool use for a total monthly charge of $75,50 D. 5.5 hours of pool use for a total monthly charge of $33