Arturo’s family hires 3 painters. Each painter charges $60 per hour. Arturo’s family represents the charge for x hours of painting in different ways.

a. Arturo’s father represents the situation with the expression 60x + 60x + 60x. What does 60x represent? What does 60x + 60x + 60x represent?

b. Arturo’s mother represents the situation with the expression 180x. What does 180x represent?

c. What information is in 60x + 60x + 60x that is not in 180x? What information is in 180x that is not in 60x + 60x + 60x?