Proportional or non-proportional
The table compares the numbers of hours(x) to the cost(y) of bike rental per hour.
This is a line graph charting the numbers on the table above.
It cost Michelle $5 for each hour that she rents a bicycle.
This problem is an example of a proportional relationship. Because all the ratios reduce to 1/5. The definition of a proportional is a relationship between two quantities that reduce to the same thing.