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Mathematics 10 Online
OpenStudy (anonymous):

John has a jar filled with 150 coins made up of quarters and nickels. The total value of the coins is $26.70. If x represents the number of quarters in the jar, which equation can be used to find the number of quarters? (Points : 1) 0.05x + 0.25(150 – x) = 26.70 0.25x + 0.05(150 – x) = 26.70 0.25x + 0.05(x – 150) = 26.70 0.05x + 0.25(x – 150) = 26.70

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