Use the following formula. Upper A equals StartStartFraction Upper P left bracket left parenthesis 1 plus StartFraction r Over n EndFraction right parenthesis Superscript nt Baseline minus 1 right bracket OverOver left parenthesis StartFraction r Over n EndFraction right parenthesis EndEndFraction Suppose that you drive 30 comma 000 miles per year and gas averages $4 per gallon. Complete parts a. and b. below. Question content area bottom Part 1 a. What will you save in annual fuel expenses by owning a hybrid car averaging 30 miles per gallon rather than an SUV averaging 9 miles per gallon