HW $8$: Using Lane Occupancy

There is a loop detector on University Avenue with an effective length of

$7\mathrm{.}4$ feet. During peak hour traffic, it indicates that there is a total

apparent presence time of $t(p)=821$ seconds. The average speed for

the $1,419$ rush hour vehicles was $43\mathrm{.}2$ mph $.$

a$.$ What is the apparent presence time per vehicle for the peak hour

traffic?

b$.$ What is the average length of vehicle for the peak hour traffic?

c$.$ What is the apparent and actual occupancy of the road?

d$.$ What is the density of traffic on the road?

please answer a$-$d