7) Christine tried to find the solutions to the system below, and her work is shown. x + y +z = 6
2x + z-y = 3
3x - z= 0
rref 2
3
1
1
1
1
- 1
- 1
6 11
3 = 0
0 0
0
1
0
0
0
1
- 31
9
0
Christine is unsure of her error because when she substitutes her solutions in for the "check" it does not
work.

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.