Answer:
3 per lunch
Explanation:
If you want them to be equal, there would be 5 lunches as there are 5 sandwiches total.
If you divide 15/3, you get 3. That means to be equal there should be 3 cookies in every lunch.
3
There are 5 lunches, as there are 5 sandwiches. 15 cookies need to be distributed evenly to 5 lunches, so we can divide 15/5=3 cookies per lunch
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