Jason is going to paint 3 rooms in his house. He estimates that he needs to paint 2,500 square feet. Each gallon of paint will cover 150 square feet. Jason has 1 gallon( 150 square feet) of paint left over from last time he painted that he can use. A. Write an equation to represent how much paint Jason needs. What does the variable represent?

B. If he buys 7 gallons of paint, will he have enough?

C. Solve the equation. How many gallons of paint will Jason need to buy? How do you know?