Parker earned $36 by selling 30 glasses of fresh-squeezed lemonade at his lemonade stand on a Saturday morning. He charged $1.00 for a small glass and $1.50 for a large glass. Use a model to determine how many large glasses he sold.
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Question

Parker earned $36 by selling 30 glasses of fresh-squeezed lemonade at his lemonade stand on a Saturday morning. He charged $1.00 for a small glass and $1.50 for a large glass. Use a model to determine how many large glasses he sold. 
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anonymous · Answer

12. just substitute the prices for each answer and see if it works.
if you have to develop an equation you could use. 1.5x +y =36
and y +x =30