SOLUTION: Has a $100 gift card to a local coffee shop. Let’s suppose the customer spends $5 every day for a cup of coffee in the morning. Write a recursive rule to represent the cards remai

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Has a $100 gift card to a local coffee shop. Let’s suppose the customer spends $5 every day for a cup of coffee in the morning. Write a recursive rule to represent the cards remai      Log On


   



Question 1104627: Has a $100 gift card to a local coffee shop. Let’s suppose the customer spends $5 every day for a cup of coffee in the morning. Write a recursive rule to represent the cards remaining balance B, in dollars, after using the card for t days
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
you start with 100

after 1 day you have 95
after 2 days you have 90
after 3 days you have 85
after 4 days you have 80
etc.....

your remaining balance is equal to 100 - 5t.

when t = 0, you have 100
when t = 1, you have 95
when t = 2, you have 90
when t = 3, you have 85
when t = 4, you have 80
etc.....

t represents the number of days you used the card.