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.
10
11
12
13

Answer 1

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