A truck delivered sand to two customers in a week. The following details are available.
Customer Weight of goods delivered Distance covered
(kilograms) (kilometres)
X 500 200
Y 180 1,200
total 680 1,400
The truck cost $3,060 to operate in the week. Each customer delivery was carried separately, and the truck
made no other deliveries in the week.
What is the cost per kilogram/kilometre of sand delivered in the week (to the nearest $0•001)?