Joel walked 2/5 of a mile to the store 3/10 of a mile to the library and 1/20 of a mile to the post office. Let x = the total distance Joel walk. How far did he walk?

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?