There is a frog at the bottom of a 20 foot well. he climbs up 5 feet during the day, but at night he falls asleep and slips back 4 feet. at this rate , how many days will it take him to get out of the well?

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?