Professor grinch’s telephone number is 6328363. mickey remembers the collection of digits but not their order, except that he knows the first 6 is before the first 3. how many arrangements of these digits with this constraint are there?

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?