Answer the question with an algebraic expression. Willie is x years old and his father is 3 years less than twice Willie's age. What represents the sum of their ages?
A) x + 3
B) x - 3
C) 3 x + 3
D) 3 x - 3
E) none of these

Question

Quizplus · Accepted Answer

Let Willie's age be x.
Then, the father's age is (2x - 3), as he is three years less than twice Willie's age.
The sum of their ages is x + (2x - 3) = 3x - 3. Therefore, our answer is D.

Answer the Question with an Algebraic Expression