pls solve:The cost of maintaining a car is partly constant and partly varies as the distance travelled in a given month. The cost for a particular month is N125 when the distance traveled is 300km. While for a distance of 12000km the cost is N350 fund the cost for a journey of 16000km and the distance travelled, if the cost is N230​

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?