Nicole 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 nicole has been adding money. suppose that x and y are related by the equation 20x+350= y.
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.
1.) what is the change per week in the amount of money in the account?
2.) what was the starting amount of money in the account?