Question: Calculate a tip for a bartender.
Options:
Take the total bill and move the decimal point to the left one spot. Then take that number and halve it, and then add it to the original number.
Take the total bill and move the decimal point to the right one spot. Then take that number and halve it, and then add it to the original number.
Answer: Take the total bill and move the decimal point to the left one spot. Then take that number and halve it, and then add it to the original number.