Calculating Required Mixture
Stock Mixtures
Nutrient
A
B
C
A farm's three stock fertilizers as shown in the
table. How many pounds of each are required to
make a mixture that has 50% nitrogen, 30%
potassium and 20% phosphorous? Solve the
matrix equation to determine the amount of each.
Round answers to the nearest tenth.
N
8
4
2
P
2.
K
1
2
6
21
50
8 4 2.
1. 4 2
1 2 .6
30
20
Required Mix
X3
N
P
к
100
pounds
X1 =
.5
3
2.
*2
x3 =
DONE
Intro

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