Question

Let x be the number of bratwursts and y the number of hamburgers. Which system of inequalities represents this situation?

Answer 1

Third one. at least three x or y for each of 20 guests, meaning x+y>=20•3=60
budget is 75, bratwurst cost 1.2 and hamburger cost 0.95, meaning 1.2x+0.95y=<75