What is the unit price of 3.40 and 12

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Nine more than four times a number is the same as one less than twice the number. find the number?

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?