OpenStax, Algebra and Trigonometry 2e §11.2 Systems of Linear Equations: Three Variables · Exercise 62 · Algebra · Systems
Systems of Linear Equations: Three Variables · Exercise 62
A local band sells out for their concert. They sell all 1,175 tickets for a total purse of $28,112.50. The tickets were priced at $20 for student tickets, $22.50 for children, and $29 for adult tickets. If the band sold twice as many adult as children tickets, how many of each type was sold?
OpenStax, Algebra and Trigonometry 2e · §11.2 Systems of Linear Equations: Three Variables · Exercise 62
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