Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Lamar works as a car audio technician. Last week a total of 27 cars came into his shop and he made a total of $3,049.73. If Lamar normally charges $99.99 for installation of a stereo and $149.99 for the installation of a speaker system, how many of each component did he install last week?
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