A box containing five, ten, and twenty-dollar bills, has 130 bills in it with a total value of $2560. Find how many bills of each type are in the box by setting up and solving a system of linear equations.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A box containing five, ten, and twenty-dollar bills, has 130 bills in it with a total
value of $2560. Find how many bills of each type are in the box by setting up and
solving a system of linear equations.
Transcribed Image Text:A box containing five, ten, and twenty-dollar bills, has 130 bills in it with a total value of $2560. Find how many bills of each type are in the box by setting up and solving a system of linear equations.
a. Express the system of linear equations in the form Ax = b.
b. Express the same system in a vector equation form.
Transcribed Image Text:a. Express the system of linear equations in the form Ax = b. b. Express the same system in a vector equation form.
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