carla's vacation will cost at least $718. she saves $85 each week. she already has $463. how many weeks,w,does she have to save before she has enough for the vacation
she already has 463 that's a set amount she started at an her start amount won't change an she's wanting 718 an she is savin 85 a week so every week she gets more money so that number changes so ur equation is 85W+463=718 then u do a two step equation
