Atoll bridge charges $1.00 for passenger cars and $2.50 for other vehicles. suppose that during daytime hours, 55% of all vehicles are passenger cars. if 20 vehicles cross the bridge during a particular daytime period, what is the resulting expected toll revenue? [hint: let x = the number of passenger cars; then the toll revenue h(x) is a linear function of x.]

$33.50

Step-by-step explanation:

The number of vehicles cross the bridge during daytime hours = 20

55% of all vehicles are passenger cars.

The toll bridge charges $1.00 for passenger cars and $2.50 for other vehicles.

The number of passenger cars = 55% of 20

                                                    = 0.55 × 20

                                                    = 11

Then the toll revenue for passenger cars = 11($1.00)

The number of other vehicles = 20 - 11 = 9

Then the toll revenue for other vehicles = 9($2.50)

The expected toll revenue = 11(1) + 9(2.50)

                                             = 11 + 22.50

                                             = $33.50

The resulting expected toll revenue would be $33.50

the perimeter is increased by a factor of 2