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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John buys 5 books and 4 CDs for $87. Jane buys 4 books and 1 CD for $41. How much does a CD cost?
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.
When they realized the error, Judah went back to the store and demanded justice. The clerk apologized and gave Judah an extra notebook and an extra candy bar. Judah then demanded 30 more cents, and after it was given, they agreed that the transaction was fair.
If justice was truly served, how much did Judah originally pay for a single notebook?
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