Answer:
3,270
Explanation:
In the beginning of the day, there was 4,350 ice cream sandwiches. Then at the end of the day there was 1,080 ice cream sandwiches left, so you have to subtract 1,080 from 1,350 so the problem equation is 4350-1080=?
Here's how you solve it:
2 15
43 50
−10 80
______
3270