Margo can purchase tile at a store for $0.59 per tile and rent a tile saw for $45. At another store she can borrow the tile saw for free if she buys tiles there for $1.09 per tile. How many tiles must she buy for the
cost to be the same at both stores?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?