Question

At Snack Palace, the Bishop family pays $12 for a salad, fruit bowl, and two sandwiches. The Cortez family pays $14 for two salads and two sandwiches. The Donovan family pays $14 for a salad and three fruit bowls. What is the price of a fruit bowl at Snack Palace?

Answer 1

Let sld, fb and sand be the cost of a salad, fruit bowl and sandwich respectively.
Solve the following for fb:
{ sld + fb + 2 sand = 12, 2 sld + 2 sand = 14, sld + 3 fb =14 }

fb = $3