Question: Bailey starts with a certain amount of money. Then she receives a weekly allowance of $5 for 8 weeks. At the end of the 8 weeks, if she has a total of $100, how much money did Bailey start with?
Give me a clear explanation. 
Answer: 
In 8 weeks, Bailey receives $5 * 8 = $40 in allowance
Bailey started with $100 - $40 = $60