32. At a fast food joint, five cheeseburgers and two large shakes cost $23. At
the same fast food joint, three cheeseburgers and three large shakes cost
$21. What is the costs of a cheeseburger, and what is the cost of a large
shake? Show all work in the space provided.
yoression

Respuesta :

Answer:

multiple choice?

Step-by-step explanation:

Answer:

Cheesburger costs $3. Shake costs $4.

Step-by-step explanation:

c is cheesburger and s is large shake.

5c+2s=23

3c+3s=21

15c+6s=69

-6c-6s=-42

9c=27

c=3