Word problems

Ella has 25 Uno cards. She gives away 13. How many Uno cards does she have now?

Susan bought 21 comic books. Then she gave away 12 to her friends. How many comic books does she have left?

Bill cooked 8 pizzas on Tuesday and 12 pizzas on Wednesday. How many pizzas did he cook in total?

A new bike costs $45.50. A used bike costs $37.25. What is the difference in price?

Joe got $55 for his birthday. Then, he lost $17. How much money does he have now?

Mo has $50. He spends $16. How much money does he have left?

Robbie ran 9 miles yesterday. He ran 6 more miles today. How many miles did he run altogether?

John is doing a math problem. He says 17 cars minus 8 cars. What is the answer?

Jessica has 26 pairs of shoes. She adds 12 pairs to her collection. How many shoes does she have now?

Josh ate 10 apples. Then, he ate 6 more. How many apples did eat in all?