Problem $2$

A traffic engineer urgently needs to determine the AADT on a rural primary road that has the volume distribution characteristics shown in Table $4\mathrm{.}5,4\mathrm{.}6,$ and $4\mathrm{.}7.$ She collected the data shown below on a Tuesday during the month of April. Determine the AADT of the road.

$\backslash$table$[[7$:$00-8$:$00$ a$.$m$.,400],[8$:$00-9$:$00$ a$.$m$.,535],[9$:$00-10$:$00$ a$.$m$.,650],[10$:$00-11$:$00$ a$.$m$.,710],[11$:$00-12$:$00$ a$.$m$.,650]]$