The boys ordered several pizzas for the weekend. When the 1st evening was over, the following amount of pizza was left over: 1/4 of the pepperoni pizza, 1/2 of the cheese pizza, 3/4 of the mushroom pizza and 1/4 of the supreme pizza. The next morning each boy ate 1/4 of all the pizza that was left over for breakfast. If they finished all the pizza, how many boys were there?

Mr. Maraj saves 0.4 of his salary and spends the balance on bills and food. If he spent $3600.00 on bills and food, how much did he save?

A laptop costs $7550. Keenan received a 25% discount during an end of month sale. How much did he pay for the laptop?

The perimeter of a rectangle is the same as the perimeter of a square. The area of the square is  $64cm^2$ ,Calculate the length of the rectangle if it is 4cm longer than the width.

Mr. Keston's backyard is 15m in length and 10m wide.

He planted a garden in the backyard. The length of the garden is 5.5m and the width 3.5m. Calculate the area of the backyard not planted.

Andy works 8 hours each day and is paid $12.50 per hour. If he works 5 days per week, calculate his weekly earnings.