Answer:
16:20??
Lol I think it's wrong sorry.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Intersection represents the elements present in both sets.
Best Regards!
Idk if the answer is correctly
$4
You can get this by setting up 2 equations. One for you and one for your friend. Each should have a cost equation. Let x = adult and y = student.
You: 7x + 16y = 120
Friend: 13x + 9 = 140
Solve using any method.