A sporting goods store was selling clearance sport balls.  They were selling 5 sport balls for $73.10.  If they sold 7 sport balls, how much would they have made in dollars?

On selling 17 balls at Rs.720/-, there is a loss equal to the cost price of 5 balls. The cost price of a ball is?

Joe went to a shop to buy some Leather and Plastic balls. Leather balls cost Rs 300 each while Plastic balls cost Rs.400 each. Joe spent a total of Rs.3600 on the balls. If he had bought as many Plastic balls as the number of Leather balls he actually bought and vice versa, he would have saved an amount equal to half the cost of one ball of one of the two types. Find the total number of leather balls he actually bought. a. 6 b. 4 c. 3 d. 10

For soccer season, Harold wants to buy a new soccer ball, a pair of shorts, and a pair of soccer shoes. The ball costs $14.95, the shorts cost $5.45, and the shoes cost $12.20. Harold has $7.00. How much more money does Harold need?

Kathleen wants to buy a jump rope that costs $4, a board game that costs $7, and a playground ball that costs $9. She has saved $10 from her allowance, and her uncle gave her $3. How much more money does Kathleen need to buy the jump rope, the game, and the ball?

The cost of a ball is $2. Its selling price is $5. What is the percentage increase on the cost price?