Answer:
18$ per adult, 15 per clild
Step-by-step explanation:
Brainly plzzzz
D. All real numbers is the answers
Addition, I would use the principles of addition.
10 + (-5) = 10 - 5 = 5
-11 + 20 = 20 + (-11) = 20 - 11 = 9
102 + (-1) = 102 - 1 = 101
<span>-20 + 60 = 60 + (-20) = 60 - 20 = 40</span>