Math 120 SP08
Brodnick
Section 2.3 Practice
Applications of Matrices
Directions
: For each of the following scenarios, set up a system of equations and solve it with a matrix.
Hints
:
*Define your variables – what do they stand for?
*Each total needs an equation set equal to it.
*Each connection/relationship needs an equation.
*Setting up a table might help…
1.
One group of customers bought 8 deluxe
hamburgers, 6 orders of large fries, and 6
large colas for $26.10.
A second group
ordered 10 deluxe hamburgers, 6 large fries,
and 8 large colas and paid $31.60.
A third
group purchased 3 deluxe hamburgers, 2 large
fries, and 4 large colas for $10.95.
Determine the price of each item.
2.
FoodPerfect Corporation manufactures three
models of the Perfect Foodprocessor.
Each
Model X processor requires 30 minutes of
electrical assembly, 40 minutes of mechanical
assembly, and 30 minutes of testing; each Model
Y requires 20 minutes of electrical assembly, 50
minutes of mechanical assembly, and 30 minutes
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 Spring '08
 Brodnick
 Math, Equations, Matrices, large fries, deluxe hamburgers, large colas, electrical assembly

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