OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Exercise 79 · Algebra · Systems
Systems of Linear Equations: Two Variables · Exercise 79
Use a system of linear equations with two variables and two equations to solve.
A store clerk sold 60 pairs of sneakers. The high-tops sold for $98.99 and the low-tops sold for $129.99. If the receipts for the two types of sales totaled $6,404.40, how many of each type of sneaker were sold?
OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Exercise 79
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