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.

a. 10

b. 11

c.12

d. 13

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.

a. 10

b. 11

c.12

d. 13

hero · Answer

x +y = 30
1x + 1.5y = 36

Solve by way of systems of equations

hero · Answer

What's the matter?

hero · Answer

x = 18
y = 12

hero · Answer

So 12 large glasses of lemonade was sold