The rate of change is constant in each table. find the rate of change. explain what the rate of change means for the situation.

25/1 dollars per day; the cost is $25 dor each day.
1/25 dollars per day; the cost is $25 for each day.
75/1 dollars per day; the cost is $75 for each day.
1/150 dollars per day; the cost is $1 for 150 days.