Use Gaussian elimination or Gauss-Jordan elimination to solv…

Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 95 black, 100 white and 80 red wires. How many of each cable were made?

Solve the problem.Regrind, Inc. regrinds used typewriter pla…

Solve the problem.Regrind, Inc. regrinds used typewriter platens. The cost per platen is $2.30. The fixed cost to run the grinding machine is $162 per day. If the company sells the reground platens for $4.30, how many must be reground daily to reach the break-even point?