1) Using the substitution method, find the solution to this system of equations. Be sure to show your work ! 3x+6y=-11
X+2y=-7
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2) Based on your results in problem 1, what do you know about the two lines in that system ?
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3) Using the linear combination method, find the solution to this system of equations. Be sure to show all your steps in your work!!
4x+3y=-2
8x-2y=12
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4) Mr.Sanchez’s class sold fruit pies for $1.89 each and mr. Kelly’s class sold bottles of fruit juice for $1.56 each. Together, the classes sold 82 items and earned $140.13 for their school. Write and solve a system of equations that models this problem. Show all your work!!
Mr. Sanchez class sold ___ fruit pies, and mr Kelly’s class sold __ bottles of fruit juice.
5) Which class earned more money ?
A) mr.Sánchez class
B) mr. Kelly’s class
C) they earned the same amount of money
