Answer :
20 Cars on the bridge
60% of 20 = 12 Passenger Car
12×1.00=$12
20-12=8 Other Vehicles
8×2.75=$22
12+22=$34
So expected revenue is $34
60% of 20 = 12 Passenger Car
12×1.00=$12
20-12=8 Other Vehicles
8×2.75=$22
12+22=$34
So expected revenue is $34