Level 3
Irene has enough flour to bake either 21a tarts or 18 biscuits. If she has finished baking 5a tarts and 6 biscuits, how many more tarts can she still bake in terms of a?
2 m
Level 1
  1. Simplify 16d + 9 - 9d - 2.
  2. Subtract 11z + 9 from 19z + 13.
3 m
Level 2
Lina had $20m. She bought 4 dresses and 9 skirts. Each dress cost $2m. 3 skirts cost as much as a dress. How much had Lina left?
3 m
Level 2
Lance exercised for a total of (8f + 90) min in a week. For the first 3 days, he exercised for 2f minutes per day. For the next 2 days, he exercised for 30 minutes per day. For how long did he exercise for the rest of the week?
3 m
Level 2
The average score received by Jan, Alicia, Sue and May in a recent Math test was 76 marks. Jan and Alicia both got 8z marks each while Sue got half of May's marks. How many marks did Sue score for the test? Express your answer in terms of z.
3 m