Algebra 2 11th Grade: Write an equation to represent the information.
A store sells cards by the box. Engraved cards sell for $20 per box, and all-occasion cards sell for $10 per box. All purchases must total $150. If a person bought 3 boxes of engraved cards, how many all-occasion cards must he or she buy
Write an equation in standard form, to model the problem. (Hint: Remember the word “per” in math means multiply)
Explain what the slope represents (Hint: Your equation should be in standard form Ax +By =C so you can use slope=-A/B)
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