George studied 3/4 hour on monday and 7/8 hour on tuesday. how long did he study altogether on both days?
a 1 5/8 hr
b 1 3/4 hr
c 1 3/8 hr
d 2 1/2 hr

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?