Beer Maths: Calculate your Friends Age without Asking

• First, pick the number of times a week you would like to have a mineral drink. (It should be more than 1 but less than 10).

• Multiply this number by 2.

• Add 5.

• Multiply it by 50.

• If you’ve already had your birthday this year add 1762. If you haven't, add 1761.

• Now subtract the four-digit year that you were born.
You should have a three-digit number
The first digit of this was your original number of the number of times a week you would like to have a mineral drink.
The next two numbers are.......
YOUR AGE!

Im not the wizard...ask the math guys.