A pizza store offers three different party packages of pizzas. The packages and prices are listed below. If pizzas cost the same individually or in a package, what is the cost of a medium pizza?

Small Gathering:
1 small, 1 medium, 1 large $36

Family Reunion:
4 small, 2 medium, 1 large $71

Huge Party:
6 small, 5 medium, 4 large $171

Question

A pizza store offers three different party packages of pizzas. The packages and prices are listed below. If pizzas cost the same individually or in a package, what is the cost of a medium pizza?

Small Gathering:
         1 small, 1 medium, 1 large          $36

Family Reunion:
         4 small, 2 medium, 1 large          $71

Huge Party:
         6 small, 5 medium, 4 large          $171

anonymous · Answer

using gauss-jordan elimination

each medium pizza costs $11