A small hamburger is just 2.5 yuan for 4 yuan.I buy three small hamburgers and I pay ________.7.5 yuan12 yuan15 yuan18 yuan

分类: 作业答案 • 2022-05-13 21:39:28

问题描述：

A small hamburger is just 2.5 yuan for 4 yuan.I buy three small hamburgers and I pay ________.
7.5 yuan
12 yuan
15 yuan
18 yuan

答