A cash card has a starting value of $25. If the card is not used within the first year of its purchase, the value on the card begins to decrease by $2.50 per month. The relationship between the number of months after the first year and the amount remaining on the card is
The independent variable is the
The dependent variable is the

blank 1:
continuous
discrete

blank 2: amount remaining on the card
number of months after the first year

blank 3:
amount remaining on the card
number of months after the first year