David currently has $270 in his bank account and
spending $15 per christmas gift. kristin currently
has $330 in her bank account and spending $20 per
christmas gift.
write an equation to represent the situations.
how many gifts do they need to buy so that they have
the same amount of money in their accounts?

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.