1. a group of friends go out to dinner and their bill comes to $450. if there are “x” number of people and they decide to split the bill evenly, write an expression to determine the amount each person would have to pay.

2. a taxi charges customers a flat fee of $2 upon entry, and then 25 cents for each mile they drive. write an expression to represent the cost for a customer driving n number of miles. then, use your expression to determine how much a 9-mile trip would cost.

3. josephine plans on selling bracelets she makes at a local fair. if she spent $55 on materials and sells each bracelet for $2.50, write an expression to represent her profit after selling x number of bracelets. how many bracelets will she need to sell to “break even”?
4. eileen has a $50 starbucks gift card. if she purchases a coffee every day that costs $3.50, write an expression to represent the amount of money left on her gift card after d days. how many consecutive days can eileen purchase a coffee? explain.