Nick opens a savings account with $50. Each week after, he deposits $15. In how many weeks will he have saved $500?
We are working with an arithmetic series, where each term representswthe total in the account after
The sequence is
We are looking for
After 1 week, we have the 2nd term,
After 2 weeks we have the 3rd term ....
We know that
Therefore after 30 weeks he has