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Ray Atkinson
Ray Atkinson, Graduate Student
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This question is for Rat Atkison, Do you still have the file

Resolved Question:

This question is for Rat Atkison,
Do you still have the file for this question, I need it by midnight Monday?

Fertilizing the Lawn. The facilities manager at Oxbridge University is planning to apply fertilizer to the grass in the quadrangle area in the spring. The grass needs nitrogen, phosphorus, and potash in at least the amounts given in the following table.

Mineral Minimum Weight (lb)
Nitrogen 12
Phosphorus 14
Potash 18

Three kinds of commercial fertilizer are available, with mineral content and prices per 1,000 pounds as given in the following table. There is virtually unlimited supply of each kind of fertilizer.

Nitrogen Phosphorus Potash
Fertilizer Content (lb) Content (lb) Content (lb) Price ($)
A 20 10 5 10
B 10 5 15 8
C 15 10 5 7

How much of each fertilizer should be purchased to satisfy the requirements at minimum cost?
Submitted: 5 years ago.
Category: Homework
Expert:  Ray Atkinson replied 5 years ago.

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Customer: replied 5 years ago.
Yes I need the tables also
Expert:  Ray Atkinson replied 5 years ago.
Okay. Will do. I'll write it up in Excel for you.
Customer: replied 5 years ago.
Ok, thanks
Expert:  Ray Atkinson replied 5 years ago.
You say "low urgency." How soon do you need this? I am going to be out for the afternoon, but will be back in a few hours. Do you need this in the next hour?
Customer: replied 5 years ago.
At least by 11p.m. Monday night.
Expert:  Ray Atkinson replied 5 years ago.
I will have it for you later this afternoon, no worries.
Customer: replied 5 years ago.
Can you put headings so I can understand it better as to what I'm looking at
Expert:  Ray Atkinson replied 5 years ago.

The columns are A, B, C, µ1, µ2, µ3, Z (actually -Z), and B.

If you need more explanation, it is going to have to wait until I get back in about 4 hours.

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