Ron in Drums PA
Member
Grab a calculator (you won't be able to do this one in your head)
Key in the first three digits of your phone number (NOT the area code)
Multiply by 80
Add 1
Multiply by 250
Add the last 4 digits of your phone number
Add the last 4 digits of your phone number again
Subtract 250
Divide number by 2
Key in the first three digits of your phone number (NOT the area code)
Multiply by 80
Add 1
Multiply by 250
Add the last 4 digits of your phone number
Add the last 4 digits of your phone number again
Subtract 250
Divide number by 2