## Intermediate Algebra: Connecting Concepts through Application

a) $32,805$ people b) $4$ hours
a) $R(h) = 5(3^{h})$ $R(h) = 5(3^{8})$ $= 5(6561)$ $= 32,805$ people b) $405 = 5(3^{h})$ $81 = 3^{h}$ $3^{4} = 3^{h}$ $h = 4$ hours