+ = 194 5) On a college campus, one student returns from vacation with a contagious virus. The spread of the virus is modeled by p(t) =1-e-0.05,

Need help on number 5 part A and B. And please solve it in clears writing so I can understand. Thank you.

+ = 1945) On a college campus, one student returns from vacation with a contagious virus. Thespread of the virus is modeled by p(t) =1-e-0.05, where p is the percent of studentsinfected after t hours. The college will cancel classes when 40% or more students areinfected.a) What percent of the students are infected after 5 hours? Round to the nearest percent.b) After how many hours will the college finally cancel all classes? Round to 1 decimalplace.