A botanist can purchase plant food of four different types, I, II, III, and IV. Each food comes in the same size bag, and the following table summarizes the number of grams of each of three nutrients that each bag contains. Food (grams) I II III IV Nutrient A 5 5 10 5 Nutrient B 10 5 30 10 Nutrient C 5 15 10 25 The botanist wants to use a food that has these nutrients in a different proportion and determines that he will need a total of 8,000 g of A, 18,000 g of B, and 14,000 g of C. Let
A botanist can purchase plant food of four different types, I, II, III, and IV. Each food comes in the same size bag, and the following table summarizes the number of grams of each of three nutrients that each bag contains. Food (grams) I II III IV Nutrient A 5 5 10 5 Nutrient B 10 5 30 10 Nutrient C 5 15 10 25 The botanist wants to use a food that has these nutrients in a different proportion and determines that he will need a total of 8,000 g of A, 18,000 g of B, and 14,000 g of C. Let
Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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A botanist can purchase plant food of four different types, I, II, III, and IV. Each food comes in the same size bag, and the following table summarizes the number of grams of each of three nutrients that each bag contains.
Food (grams) | ||||
---|---|---|---|---|
I | II | III | IV | |
Nutrient A | 5 | 5 | 10 | 5 |
Nutrient B | 10 | 5 | 30 | 10 |
Nutrient C | 5 | 15 | 10 | 25 |
The botanist wants to use a food that has these nutrients in a different proportion and determines that he will need a total of 8,000 g of A, 18,000 g of B, and 14,000 g of C. Let
x = Type I bags,
y = Type II bags,
z = Type III bags,
and
w = Type IV bags.
Write an equation for the total number of grams of Nutrient A in terms of x, y, z, and w.
Write an equation for the total number of grams of Nutrient B in terms of x, y, z, and w.
Write an equation for the total number of grams of Nutrient C in terms of x, y, z, and w.
Find the number of bags of each type of food that should be ordered. (If there are infinitely many solutions, express your answers in terms of w as in Example 3.)
(x, y, z, w) =
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