You are saving money so you can buy yourself your first car! you have been searching for some deals and found that you can get a great used car for \$5,400 . your grandparents gave you $300 for your birthday to start your savings account. you have a part-time job and plan to save $150 each month to put into savings . write an arithmetic sequence to represent the amount of money you will have at the end of each month. in how many months will you have saved enough money to buy yourself a used car?