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Given the following situation, use a matrix to solve for the unknowns. A company produces 3...

Given the following situation, use a matrix to solve for the unknowns. A company produces 3 types of widgets. On a given day, the company was able to produce 9 total widgets (combining all 3 types). Widget A costs $3 to produce, Widget B costs #2 to produce, and Widget C costs $1 to produce. The cost to produce the widgets each day is $18. The company produces one more Widget B than the sum of the Widgets A & C. How many of each type of Widget is produced? Set up three equations with three variables. Then,use a matrix to solve for the number of each type of widget.

Math   Statistics-And-Probability   
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Answer #1

here is the solution :

( in the matrix we each row represents an equation with only coefficients of x, y, z respectively )

P.S. (please upvote if you find the answer satisfactory)

P.S. (please upvote if you find the answer satisfactory)

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