OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Exercise 57 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Exercise 57
Create a system of linear equations to describe the behavior. Then, solve the system for all solutions using Cramer’s Rule.
A theater needs to know how many adult tickets and children tickets were sold out of the 1,200 total tickets. If children’s tickets are $5.95, adult tickets are $11.15, and the total amount of revenue was $12,756, how many children’s tickets and adult tickets were sold?
OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Exercise 57
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