Following are the car parking charges near a railway station upto
Check if the parking charges are in direct proportion to the parking time.
The ratio of parking charges to their respective number of hours may be calculated as
60/4 = 15
100/8 = 25/2
140/12 = 35/3
180/24 = 15/2
As, each ratio is not same therefore, the parking charges to their respective number of hours are not in direct proportion.
15