OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Exercise 56 · Linear Algebra · Matrices
Solving Systems with Inverses · Exercise 56
Write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix.
In the previous exercise, if you were told there were 400 more tickets sold for floor 2 than floor 1, how much was the price of each ticket?
This exercise builds on another exercise in its source book, which isn't shown here.
OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Exercise 56
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