OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Review Exercise 88 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Review Exercise 88
Write a system of equations to solve each problem. Solve the system of equations.
A local theatre sells out for their show. They sell all 500 tickets for a total purse of $8,070.00. The tickets were priced at $15 for students, $12 for children, and $18 for adults. If the band sold three times as many adult tickets as children’s tickets, how many of each type was sold?
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 88
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