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OpenStudy (anonymous):
Hannah has a jar filled with 150 coins made up of quarters and nickels. The total value of the coins is $28.30. Let x represent the number of quarters in the jar. Which equation can be used to find the number of quarters?
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OpenStudy (anonymous):
.05n = (28.30 - .25x) Multiply eq by 20 n = (566 - 5x) : find x using this equation 150 - x = 566 - 5x -x + 5x = 566 - 150 4x = 416 x = 104 quarters
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