Bob is three years older than twice Karen's age. If Karen is eighteen, how old is Bob?

1 Answer
Jan 10, 2016

Bob would be 39 years old.


  1. Let's make b a variable for Bob and k as the variable for Karen.
    (Variables are letters in Algebra)

  2. You are given that: 2k+3=B and that K=18

  3. Plug 18 into the K. 2(18)+3=

  4. If 2 x 18 is 36 and you add 3, then Bob is 39.

Hoped this helped! :)