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Digital SAT
Digital SAT Mathematics - No Calculator Section

Earnings from Selling Lemonade

Very Easy Heart Of Algebra Linear Functions

A lemonade stand sells cups of lemonade for a fixed price. If the price of each cup is $2, and the number of cups sold is $n$, the total earnings $E$ from selling lemonade can be represented by a linear function.

What is the equation that represents the total earnings $E$ based on the number of cups sold $n$?

Hint

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