Valentina purchased 200 beads for $48 to make necklaces. if she wants to buy 25 more beads how much will she pay if she is charged the same rate?

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.