Age puzzle

Petko and Helen are two years older than Jana. Jana is eight years old. Petko is two years older than Helen. How old is Helen? How old is Petko?

Final Answer:

L =  7
P =  9

Step-by-step explanation:


P+L = 2 · 8
P = 2 + L

L+P = 16
L-P = -2

Row 2 - Row 1 → Row 2
L+P = 16
-2P = -18


P = -18/-2 = 9
L = 16-P = 16-9 = 7

L = 7
P = 9

Our linear equations calculator calculates it.



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: