Amy is putting money into a savings account. She starts with $650 in the savings account, and each week she adds $70 .

Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Amy has been adding money. Write an equation relating S to W . Then use this equation to find the total amount of money in the savings account after 17 weeks.

Equation:

Total amount of money after 17 weeks: $