Read and tick.

Save and Spend

Zhang Peng: One, two ... eighteen, nineteen, twenty yuan. I put them in my piggy bank.

Zhang Peng: How many books do you have?

Boy: I have five.

Zhang Peng: How much is each book?

Boy: It's three yuan.

Zhang Peng: I pay fifteen yuan for five books. And three yuan for a ball. I put two yuan back in my piggy bank.