Answer:
6738
Explanation:
If Mariah's school sold 23240 in magazine sales and Cole's school raised 16502 in sales we can determine how much more money Mariahs school raise by determining the difference of the two:
![23240-16502=6738](https://img.qammunity.org/2019/formulas/mathematics/high-school/vu5g4sv3sx36rksvqw8ey5hfesbbzpdfbv.png)
Mariah's school raised 6738 more than Cole's school in magazine sales.