Ken is 11 years old. His father is x years older than he. What will be their total age in 4x years' time?
2 m
Albert had $y. He spent $12 on a novel and gave 13 of the remainder to his mother.
  1. How much did he give to his mother?
  2. How much did he have left?
2 m
During a sale, a watch with a selling price of $180 was given 2n% discount. If Fina bought it at the discounted price, how much did she save?
2 m
Pete bought 6 oranges for $9. If he sold them later and earned a profit of $p, how much did he sell 1 orange for?
2 m
May and Dora had $n altogether. After May gave $12 to Dora, each of them had the same amount of money. How much did Dora have at first?
2 m
A handbag cost $6 more than a dress but $10 less than a watch. If the total cost of the handbag, the dress and the watch is $z, find the cost of the dress in terms of z.
2 m
A pencil costs $x. A novel costs $15 more than the pen. A file costs $5 less than the novel. Find the total cost of the 3 items.
2 m
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.
2 m
The average age of Randy and Michael is 8z years. Ron is 20z years old. What is the average age of the 3 men?
2 m
Ben had $20f. It cost $2f to play a game in the arcade and he played 7 games. If he paid 80 cents for the entrance fee, how much money did he have left in dollars?
2 m