Mary's bank account earns 4% simple interest per year. How much must she deposit in the account today if she wants it to be worth $1,000 in 5 years? Round your answer to the nearest dolla

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days