The weight of each fountain pen manufactured in a factory must be 10g with a tolerance of 2g. pens that are not within the tolerated weight must be thrown away. write and solve an absolute value inequality to determine the acceptable weight of the pens?

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?