Chris wants to order DVD's over the internet. Each DVD costs $15.99 and shipping the entire order costs$9.99. If he can spend no more than $100, how many DVD's could he buy?

David bought three DVDs and four books for $40. Anna spent $18 and bought one DVD and six books. Solve the system of equations to determine the cost of each DVD and book.

In the past month, Felipe rented 6 video games and 4 DVDs. The rental price for each video game was $2.60. The rental price for each DVD was $3.70. What is the total amount that Felipe spent on video game and DVD rentals in the past month?

For her birthday, Allie received $75. She wants to buy some CDs that cost $14.95 each. Estimate the maximum number of CDs that Allie can buy with her birthday money by rounding the cost of a CD up to the nearest whole dollar. A. 3 B. 5 C. 7 D. 9

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?

2. Mr. Thomas wants to buy a television that costs $2435. If Mr Thomas pays for the television in full, he will enjoy a discount of 12%. If he chooses to pay by instalments, no discount will be given and he will have to pay 15% of the selling price as down payment, followed by 12 monthly instalments of $185 each. How much will Mr Thomas save if he chooses to pay in full instead of paying by instalments?