You can
put this solution on YOUR website!The problem is:
Suppose that a lot costs $60,000 and a builder charges $84 per square foot of living area in a house. How big, to the nearest square foot, is a house that can be purchased for $180,000?
Your model should be:

That was one of your choices if you round off to the nearest whole number: x=1429 sq ft.
Happy Calculating!!!