Lemonade StandPro Problems > Math > Algebra > Equations > Systems of Equations > Word Problems > Money
A boy is selling lemonade at x cents per glass. His cost is y cents per glass. On Monday he sold 75 glasses of lemonade, and his profit was $9.00. On Tuesday his mother agreed to pay half of his expenses. He sold 100 glasses of lemonade, and made a profit of $14.00. How much was he charging per glass?
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In the land of Poodles, the residents have four different coins: the doodle, the shmoodle, the zoodle, and the woodle.
A doodle is worth 8 shmoodles. A shmoodle is worth 6 zoodles. Six zoodles and six doodles together are worth seven woodles.
How many shmoodles is woodle worth?
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Judah went into a store and purchased 5 candy bars and 7 notebooks for $25.50. Jake went into the same store and purchased 8 candy bars and 2 notebooks for $14.10. Later, they compared their receipts, and realized that the clerk had cheated Judah by charging him x cents extra for each candy bar, and 10x cents extra for each notebook.
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If justice was truly served, how much did Judah originally pay for a single notebook?
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