Real Estate MathIntermediateArizona Exam

A lender requires a maximum 43% debt-to-income (DTI) ratio. A borrower has monthly debt payments of $750 and gross monthly income of $5,800. Can they add a mortgage payment of $1,200?

AYes, their total DTI would be about 33.6%Correct
BNo, their total DTI would exceed 43%
CYes, their total DTI would be about 39%
DNo, their total DTI would be about 45%

Why Yes, their total DTI would be about 33.6% Is Correct

Answer A: Yes, their total DTI would be about 33.6%

Total monthly debts = $750 + $1,200 = $1,950. DTI = $1,950 ÷ $5,800 = 0.

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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