Problem it takes 48 minutes for 7 people to paint 7walls. how many minutes does it take 20 people to paint 20 walls?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.