OpenStax, Elementary Algebra 2e §5.6 Graphing Systems of Linear Inequalities · Exercise 131 · Algebra · Systems
Graphing Systems of Linear Inequalities · Exercise 131
Translate to a system of equations and solve.
Liz paid $160 for 28 tickets to take the Brownie troop to the science museum. Children’s tickets cost $5 and adult tickets cost $9. How many children’s tickets and how many adult tickets did Liz buy?
OpenStax, Elementary Algebra 2e · §5.6 Graphing Systems of Linear Inequalities · Exercise 131
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