Steel mills in three cities produce the following amounts of steel:
Location Weekly Production (tons)
A. Bethlehem .. 150
B. Birmingham . 210
C. Gary ..... 320
680
These mills supply steel to four cities, where manufacturing plants have the following demand:
Location Weekly Demand (tons)
1. Detroit . 130
2. St. Louis . 70
3. Chicago . 180
4. Norfolk . 240
620
Shipping costs per ton of steel are as follows:

Because of a truckers€™ strike, shipments are prohibited from Birmingham to Chicago. Formulate this problem as a linear programming model and solve it by using thecomputer.

Transcribed Image Text:

To (cost) From 2 4 $14 $9 $16 $18 16 10 22 16 12