Write a system of equations and use the inverse of the coeff…
Write a system of equations and use the inverse of the coefficient matrix to solve the system.A basketball fieldhouse seats 15,000. Courtside seats sell for $10, endzone for $6, and balcony for $4. Total for a sell-out is $82,000. If half the courtside and balcony and all endzone seats are sold, the total is $47,000. How many of each type are there?
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Solve the problem by writing and solving a suitable system of equations by Gauss-Jordan method..A company produces three models of video cassette player, models X, Y, and Z. Each model X machine requires of electronics work, 2.8 hours of assembly time, and 4.4 hours of quality assurance time. Each model Y machine requires of electronics work, of assembly time, and of quality assurance time. Each model Z machine requires of electronics work, of assembly time, and of quality assurance time. There are available each week for electronics, for assembly, and for quality assurance. How many of each model should be produced each week if all available time must be used?
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