Timothy had $2x more than Thomas.Timothy spent all of his money on 4 toy cars.If Thomas had $13, how much did each toy car cost?

Perry had $27.50 to spend at the toy store. He bought 4 toy cars that cost $0.60 each and a race track that cost $4.10. How much money does Perry have left to buy more toys?

13 students and 6 teachers went on a field trip to an art museum. Student tickets cost $4 each, and adult tickets cost $9 each. How much did the museum tickets cost in all?

Ruben wants to buy a dictionary that costs $15, a dinosaur book that costs $16, and a children's cookbook that costs $6. He has saved $8 from his allowance. How much more money does Ruben need to buy all three books?

4 Dawn had $25 more than Tom. After Dawn gave some of her money to Tom, she had $37 less than Tom. How much money did Dawn give to Tom?

Lester and Henry shared the cost of a present. Lester paid $34 more than 5/13 of the present. Henry paid $50. What was the cost of the present?