# Reverse Polish

Consider the calculation as follows :

$\frac{2(X+3)} {Y+9}$ (where X & Y are variables)

Which of the following represents the correct Reverse Polish notation for that calculation :

• A 2 X * 3 + Y / 9 +
• B 2 X 3 + * Y 9 + /
• C 2 X + 3 * Y 9 + /
×