Let y represent the total amount

Ryan is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Ryan has been adding money. Suppose that x and y are related by the equation 20x + 550 = y. Answer the questions below. Note that a change can be an increase or a decrease. For an increase, use a positive number. For a decrease, use a negative number. What is the change per week in the amount of money in the account? What was the starting amount of money in the account? X