Respuesta :
25d=200. 25d represents how much you can spend per day. then it equals 200 to represent how much money you can go up to.
Available to spend: $200 = ($25/day)x will tell you for how many days you can spend $25 per day.
$200
-------------- = 8 days
$25/day
You could spend $25 per day for eight days, and have $25 left over.