OpenStax, Algebra and Trigonometry 2e §11.2 Systems of Linear Equations: Three Variables · Exercise 61 · Algebra · Systems
Systems of Linear Equations: Three Variables · Exercise 61
At a carnival, $2,914.25 in receipts were taken at the end of the day. The cost of a child’s ticket was $20.50, an adult ticket was $29.75, and a senior citizen ticket was $15.25. There were twice as many senior citizens as adults in attendance, and 20 more children than senior citizens. How many children, adult, and senior citizen tickets were sold?
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OpenStax, Algebra and Trigonometry 2e · §11.2 Systems of Linear Equations: Three Variables · Exercise 61
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