Level 3
Olivia bought 3 home theater systems and 6 toasters. Each home theater system costs $280 more than each toaster. She spent 20% of her money on the toasters.
Level 3
Tabitha wanted to buy some cookies and brownies. The cost of a cookie was 34 the cost of a brownie. A set of 3 cookies and 2 brownies cost $5.10. What was the total amount Tabitha had to pay for 17 cookies and 10 brownies?
Level 3
Hazel, Olivia and Diana had a total of 767 marbles. The ratio of Olivia's marbles to Diana's marbles was at first 4 : 7. After Hazel and Olivia each gave half of their marbles away, the 3 children had 527 marbles left. How many marbles did Hazel and Diana have at first?
Level 3
Penny, Vera and Roshel bought a gift for their parents.
They shared the cost equally between them.
Penny used 25 of her savings,
Vera used 58 of her savings and
Roshel used 37 of her savings.
Penny and Roshel had $170 left.
How much did each girl pay for the gift?
Level 3
In a factory, Machine A was turned on first and it produced 313 wontons. Then Machine A and Machine B were turned on at the same time to continue production. For every 4 wontons Machine A produced, Machine B produced 6 wontons. Machine B produced 45 less than 12 of the total number of wontons produced. How many wontons were produced altogether?
