Question

Juan purchased 16 lemons and used 5 on the first day of making lemonade. On the second day, he purchased 12 lemons and used 11. Juan wrote this expression to find how many lemons he should have left.

(16 – 5) + (12 – 11)

Answer 1

Juan purchased 16 lemons and used 5 on the first day of making lemonade. On the second day, he purchased 12 lemons and used 11. Juan wrote this expression to find how many lemons he should have left.

Explanation:

11+1=12

Answer 2

You do what is in the parentheses first and then add them together.
So:
11+1=12