The explicit rule for the amount of money Heather has in her account after n weeks can be defined using the formula:
Amount of money = $125 + $25 * (n-1)
One week, Heather opens a bank account with $125. Each week, starting the second week, she deposits $25 into her account.
What is the explicit rule for amount of money Heather has in her account after n weeks?
1 answer