Jake has $20. He spent $30 on a new video game. What is his current balance?

Sarah has 8 marbles. She gives away 5 marbles to her friend. How many marbles does Sarah have now?

Alice owed $50 to her friend. She paid off $30 of her debt. How much does Alice still owe?

John has 10 books. He sells 3 books to a friend. How many books does John have now?

Jennifer had $100 in her wallet. She found $20 on the ground and then spent $50 at the store. How much money does Jennifer have now?

A bakery sold 25 cupcakes in the morning. In the afternoon, they sold 17 more cupcakes. How many cupcakes did the bakery sell in total?

Sara had 10 pens. She found 3 more pens on her desk. How many pens does Sara have in total?

Tommy had a debt of $50. He borrowed an additional $30 from his friend. What is his total debt now?

Lucy had 15 apples. She gave away 8 apples to her friends. How many apples does Lucy have now?