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

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?