Answer the question with an algebraic expression. Mary is k years old and her mother is 2 years less than twice as old as Mary. How old is Mary's mother?
A) k - 4
B) 2( k - 2)
C) 2 k + 2
D) 2 k - 2
E) none of these

Question

Quizplus · Accepted Answer

Let Mary's mother age be represented by m.
According to the given information, 
m = 2k - 2 (as her mother is 2 years less than twice as old as Mary)
Hence, Mary's mother is 2k-2 years old.

Answer the Question with an Algebraic Expression