Level 3
Mark had a collection of stamps. He gave away 19 of his collection and sold 79 of it. He was left with 52 stamps. How many stamps did he have at first?
Level 3
Mrs Loke made some tarts. She sold 13 of them in the morning, 29 of them in the afternoon and another 220 of them in the evening. There were 100 tarts left in the end. How many tarts did she make in all?
Level 3
Chris spent 13 of his money to buy a shirt. He spent 15 of his money to buy a pair of shorts. Given that Chris had $56 left, how much money did he have of first?