OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Review Exercise 78 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Review Exercise 78
Write a system of equations to solve each problem. Solve the system of equations.
A performer charges where is the total number of attendees at a show. The venue charges $75 per ticket. After how many people buy tickets does the venue break even, and what is the value of the total tickets sold at that point?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Review Exercise 78
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