DO 13) Solve the given problem: joe has a new swimming pool in his back yard. If joe used his hose
alone it would take 40 hours to fill the pool. His neighbor, Dan, has a cistern and Dan's hose
would take 60 hours by itself. If Joe uses both hoses, how long would it take to fill the pool?
cups)
O 18 hours
O 900
hours
O 24 hours
10 hours
14) Solve the following: One box will hold 40 more tissues than another if the