Real Estate MathIntermediateDelaware Exam
A rectangular lot is 80 feet wide and 120 feet deep. A proposed house will have a 20-foot front setback, 10-foot side setbacks on each side, and a 15-foot rear setback. What is the buildable area in square feet?
A3,750 sq ft
B5,400 sq ftCorrect
C4,500 sq ft
D6,000 sq ft
Why 5,400 sq ft Is Correct
Answer B: 5,400 sq ft
Buildable width = 80 − 10 − 10 = 60 ft. Buildable depth = 120 − 20 − 15 = 85 ft.
Exam Tip: Real Estate Math
Math questions are formula-based. Memorize the key formulas: commission splits, proration, cap rate (NOI ÷ Value), GRM (Price ÷ Gross Rent), and LTV (Loan ÷ Value). Practice converting between annual and monthly figures.
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