SOLUTION: 8X+13Y=271.80 10X+15Y=321.00 use theinverse of the coefficient matrix of the equivalent matrix equation to solve
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Question 593151: 8X+13Y=271.80 10X+15Y=321.00 use theinverse of the coefficient matrix of the equivalent matrix equation to solve
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
8X+13Y=271.80
10X+15Y=321.00
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I used the matrix function on a TI-84 to get:
x = 9.6
y = 15
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