Level 3
Rebecca spent $18 on a plate, a bowl and 2 cups. Each plate cost $3 more than a cup and each bowl cost $2 more than a plate. Find the cost of a dozen cups .
Level 3
Mrs Lee had $2175. She gave $1200 to her husband and the rest to her 3 sons and a daughter. Her daughter received twice as much as each of her sons. How much did her daughter receive?
Level 3
At a book shop, Alice paid $22 for 5 items: 2 books and 3 pens. The total cost of 2 books is $6 more than the total cost of 3 pens. How much did 1 book cost?
Level 3
Mr Smith planted 10 trees in a row for his garden. The distance between each tree and the next was equal for all the trees. The distance between the first tree and the fifth tree was 20 m, what was the distance between the 1st tree and the 8th tree?