Mosquitoes are annoying insects. To eliminate mosquito larvae, a certain granular substance can be applied to standing water in a ratio of 1 tsp per 10 sq ft of standing water. a. At this rate, find how many teaspoons of granules must be used for 180 sq ft.
b. If 3 tsp= 1 tbsp, how many tablespoons of granules must be used?

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?