Lyly has 36 cookies. She gives 9 cookies to some friends. And she buys 21 cookies. How many cookies she have now?
48 cookies
A greengrocer hax a box of apples. In the morning he sells 27 apples. In the afternoon he sells 41 apples. At the end of the day there 23 apples left in the box. How many apples were there at the start of the day?
91 apples
In a school kitchen, the cook has 53 pie trays. She makes meat pies and vegetarian pies. The cook uses 16 trays for the meat pies and 23 trays for the vegetatian pies. How many trays are not used?
14 pie trays