4
QuizMultiple Choice

Modeling with Systems of Linear Equations

Question 4 • AISD Algebraic Reasoning B Credit Recovery 2026-2027

Nina is 10 years younger than Deepak. Deepak is 3 times as old as Nina. Which system of equations can be used to find d, Deepak's age, and n, Nina's age?

Answer
A
d = n + 10 d = 3n
B
d = n − 10 d = 3n
C
d = n + 10 n = 3d
D
d = n − 10 n = 3d
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