A nutrition center sells haelth food to mountain climbing teams. The trailblazer mix package contains 1 pound of corn cereal mixed with 4 pounds of wheat cereal.The frontier mix package contains 2 pounds of corn cereal mixed with 3 pounds of wheat cereal.The center has 30 pounds of corn cereal and 60 pounds of wheat cereal available to use. define variables. write inequalities to represent the problem.