Gracie went for a morning walk and met her old friend Suzie and her daughter Jennie after a long time. Gracie asked Suzie how old is Jennie to which Jennie replied, “In two years i will be twice as old as I was five years ago”. How old is Jennie?
Answer
Jennie is 12 years old.
Let x be Jennie’s age. We can come up with the equation:
x + 2 = 2(x – 5)
Solvingo for x gives 12. In 2 years time, Jennie will be 14 years old. Five years ago, Jennie was 7 years old – half of 14.