How do I do this? please help Im stuck on this and I cant understand the concept.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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.

8.74 rounded to the nearest whole number