Solve by the Substitution Method
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1) Solve by the substitution method
7x+5y=-12
-8x+y=54
What is the solution of the system? ( use an ordered pair. Use N if there is no solution)
2) Soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed to gather in order to get 360 lb mixture that is 11% protein?
a. How many pounds of the cornmeal should be in the mixture?
b. How many pounds of the soy bean meal should be in the mixture?
3) Hockey team receives 2 points when they win and 1 point when they tie. One season a team won a championship with 61 points. They won 11 more games than they tied. How many wins and how many ties did the team have?
a. How many winds did the team have?
b. How many ties did the team have?
...
(Total 9 Questions - See the attached question file)
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Solution Summary
All the questions are solved neatly and step-by-step. Graphs included.
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