The bus bound for Northtown departs every 15 minutes and the bus for Eastown departs every 18 minutes from the Central Station.
Both buses start at 9:30 AM each morning. When is the next time both
buses will depart from the Central Station at the same time?

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