In a cafeteria, there are the same number of 3-legged stools as there are of 4-legged chairs. If stools have 120 fewer legs than chairs, how many people can sit in this cafeteria?
Imagine what x is quantity of stools. So 3x+120=4x x=120 120 stools in cafeteria 120 chairs in cafeteria 120+120=240 There 240 people can sit in this cafeteria