Answer:
So we know that Ms. Jan had brought the class cookies and gave out half of them the cookies she had in all was 34 she then gave the class 12 in the morning and 22 cookies was left then at lunch it she gave out 12 more so 22-12 is 10
Explanation:
34 cookies -12=22 cookies-12=10 cookies left.
I HOPE THIS HELPS :)