Three friends go bowling. the cost per person per game is $5.30. the cost to rent shoes is $2.50 per person. their total cost is $55.20. how many games did they play? set up an equation and show your work.

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?