Joe earns $13.40 an hour and it's paid every two weeks. Last week he worked seven hours longer than a week before. His pay for these two weeks before deductions, was $683.40. How many hours did he work each week?

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?