Answer :
$25 per month
685= 2x + 85
685 - 85 = 2x
600 = 2x
600/2 = x
300/12 (12 months in a year)
25 = x
685= 2x + 85
685 - 85 = 2x
600 = 2x
600/2 = x
300/12 (12 months in a year)
25 = x