Suppose you are saving $50 each month. After month 1, you have $50. After month 2, you have $100. After month 3, you have $150. After month 4, you have $200, and this pattern continues. How much money will you have saved after 7 months?

Eric earns $2360 a month. He spends $1590 every month and saves the rest. How much will he save in 5 years?

An employee saving for retirement invests $7,500 for 34 months at . How much interest will be earned on this investment? Round to the nearest cent.

Aaron earns $2680 a month. He spends $1670 every month and saves the rest. How much will he save in 5 years?

David earns $1080 a month. He spends $520 every month and saves the rest. How much will he save in 4 years?

Ivan is putting money into a savings account. He starts with $350 in the savings account, and each week he adds $60.Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Ivan 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 13 weeks.