An oil company requires 900,1200, and 2400 barrels of high-grade, medium-grade, and low-grade oil respectively. it owns two oil refineries A and B. Refinery A produces 100,300,400 barrels of high, medium and low-grade oil per day respectively; refinery B produces 200,100 and 300 barrels of high, medium, and low-grade oil per day respectively.  1. find the number of days that each refinery should run in order to meet the requirements 2. find the minimum cost if each refinery costs $2000 per day to operate. 3. find the minimum cost if refinery A costs $3000 per day and refinery B costs $2000 per day to operate

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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An oil company requires 900,1200, and 2400 barrels of high-grade, medium-grade, and low-grade oil respectively. it owns two oil refineries A and B. Refinery A produces 100,300,400 barrels of high, medium and low-grade oil per day respectively; refinery B produces 200,100 and 300 barrels of high, medium, and low-grade oil per day respectively. 

1. find the number of days that each refinery should run in order to meet the requirements

2. find the minimum cost if each refinery costs $2000 per day to operate.

3. find the minimum cost if refinery A costs $3000 per day and refinery B costs $2000 per day to operate.

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