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The lemonade stand at the county fair sells the lemonade at a price of two cups for .  Complete the table at right to find what Paula’s family will pay to buy lemonade for all eight members of the family. 

Since cups of lemonade is twice as much as cup of lemonade, to find the price of cup of lemonade, you must find half of the price of cups of lemonade.

You can also solve the problem by setting up a proportion like the one below, then solve for .

To find the price of any amount of lemonade, in the equation above substitute '' cup of lemonade'' with the number of lemonades you are looking for.