PLS HELP I’m in a quiz and I’m failing math and need to pass this

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What is the value of x in the diagram below?

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.