Can anyone list the corner points of the feasibility region and test the corner points to find the maximum value of Z?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}