a.Is the following system of equations easier solved by substitution or elimination?Explain your answer and justification in a complete sentence.(2 points)

b.Solve for x and y.Show your steps and final answer. (3 points)

2x - y = 13

3x +2y = 9

Question 3

Mary spent $357 on supplies.Sketchbooks cost $7 each and pastels cost $4 each.She bought a total of 69 items.

a.If you were asked to write system of equations representing this problem, what would the first equation be about? (1 point)

b.Write that equation. (1 point)

c.What would the second equation be about? (1 point)

d.Write that equation.(1 point)

e.Which method will you use to solve and why? (2 points)

f.Solve the system of equations and show your work. (4 points)

g.How many of each, sketchbooks and pastels, did Mary buy? (1 point)

Question 4

Julia needs 400 appetizers for the party and has $600 to spend.Mini corndogs come in a box with 12 pieces for $4.Stuffed mushrooms come in a box with 20 pieces for $10.

Which of the following equations fits this situation?Check all that apply.

Group of answer choices

12C + 20M = 400

C + M = 600

12C + 20M = 600

4C + 10M = 400

4C + 10M=600