Collins piano lesson is 45 minutes or three force of an hour long if he practices six different songs and spends an equal amount of time on each song what fraction of an hour does he’s been practicing each song

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?