given data:
the amount needed to pay the downpayment of the car = $5280.
original financial plan = $220 per month.
The amount kara saved after 1 year = $2300.
the balance amount she needed to save
now, divide the balance amount by 12, because 1 year =12 months.
Thus, kara needs to save 248 dollors each month in order to have 5280 dollors after a year.