The Cafeteria has a fixed price for the salad bar per ounce. Sandwich cost $3.10. Drink cost $1.75. If a 7-ounce and a drink that cost the same as a 4-ounce salad and a sandwich, how much does the salad cost per ounce?

Question

anonymous · Answer

The salad costs .45 per ounce.

anonymous · Answer

s=cost of salad per ounce
  
7s + 1.75 = 4s + 3.10
-4s               -4s
_________________________
3s +1.75 = 3.10
      -1.75   -1.75
___________________
3s =          1.35
s =   .45