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Kendra Kilmer September 15, 2011
4. At the Austin City Limits Music Festival, a three day event held on Friday, Saturday, and Sunday, YoSoy Candle Company managed to sell $2400 worth
of candles. Amazingly, the sales made Sunday ended up being the same as the combined sales for Friday and Saturday. Even more astonishing, the sales
made Sunday were three times the amount of sales made Friday. What were YoSoy’s total sales for each day of the festival?
5. Solve the following system of linear equations by doing GaussJordan Elimination by hand.
2
x

7
y
=
9
y
=

3
x
+
5
6. Each of the following augmented matrices represents a system of linear equations. Determine whether or not the augmented matrix is in rowreduced
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Unformatted text preview: form. If it IS in rowreduced form give the solution to the system of linear equations. If it IS NOT in rowreduced form, perform the next row operation that would need to be performed to get the augmented matrix in rowreduced form. (a) 1 4 1 23 1 2 (b) 1 8 17 15 (c) 12 5 17 1 6 2...
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This note was uploaded on 03/04/2012 for the course MATH 141 taught by Professor Jillzarestky during the Fall '08 term at Texas A&M.
 Fall '08
 JillZarestky
 Limits

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