Learning activity $($Model the following problem$)$:

Acme Block Company has orders for $150$ tons of concrete blocks at three

suburban locations as follows:

Northwood $--50$ tons, Westwood $--45$ tons, and Eastwood $--55$ tons.

Acme has two plants, each of which can produce $65$ tons per week.

Delivery cost per ton from each plant to each suburban location is shown

below. How should end of week shipments be made to fill the above

orders?

$$ Delivery Cost Per Ton