SOLUTION: The Mu Alpha Theta club decided to open a lemonade stand to raise money. The club initially charged $1.25 for each glass of lemonade and sold 30 glasses. They noticed however that

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: The Mu Alpha Theta club decided to open a lemonade stand to raise money. The club initially charged $1.25 for each glass of lemonade and sold 30 glasses. They noticed however that       Log On


   

Question 394291: The Mu Alpha Theta club decided to open a lemonade stand to raise money. The club initially charged $1.25 for each glass of lemonade and sold 30 glasses. They noticed however that for every increase in price of ten cents they would sell one less glass. What should they do?
Make a table, graph your data, and write an equation for revenue.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let I = income
Let g = number of glasses sold
Let x = number to subtract from glasses sold
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For 1st situation:
I+=+125g (in cents)
g+=+30
I+=+3750
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For 2nd situation:
I+=+%28125+%2B+10x%29%2A%2830+-+x%29 (in cents)
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You need a chart that shows I and x for
x = 1,2,3,... etc. Then compare I with
I+=+3750 in the 1st situation.
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For instance:
x+=+1
I+=+%28125+%2B+10%29%2A%2830+-+1%29
I+=+135%2A29
I+=+3915 The income went up
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Just keep computing