Hi

Let x represent Marie's age

 x + (2x+1) = 37

    3x = 36

     x = 12, Marie's age    

 

RELATED QUESTIONS

Ajit is three less than twice as old as Marie. If the sum of their ages is 39, determine... (answered by ikleyn)

Joseph is 8 years older than Marie. the sum of their ages is 32. how old each now
  (answered by T-Maree)

Robert is now twice as old as Marie. Six years ago the sum of their ages was thirty-nine.  (answered by ewatrrr)

Marie is seven years older than Mathew. Twelve years ago, Marie was half as old as Mathew  (answered by rapture,MathTherapy)

Marie is 5 years older than pia. In three years, Marie will be twice as old as Pia. How... (answered by Alan3354)

3 years ago Nora was 1/2 as old as Marie is now. Marie 4 years older then Nora, how old... (answered by josgarithmetic)

Marie is 9 years older than her brother Richard. Six years ago Richard was 1/2 as old as... (answered by fractalier)

Marie is three times as old as her son Sam. If the sum of their ages is 36, find Sam's... (answered by Alan3354)

Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old... (answered by ankor@dixie-net.com)