Question 830113
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x = CD's sold
y = Cassettes sold
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x + y = 1200
8x + 3y = 7100
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copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = CD's sold = 700
y = Cassettes sold = 500
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CD revenue = 8*700 = $5600
Casette revenue = 3*500 = $1500
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Solve systems of linear equations up to 6-equations 6-variables:
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