Matthew goes hiking every 12 days and swimming every 6 days. how many days from now will he go both hiking and swimming again?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

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?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !