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03-02-2020
Mathematics

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Nina has some nickels and 9 pennies in her pocket. Her friend has twice as many nickels. Together, these coins are worth $.84. How many nickels does Nina have?

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Аноним Аноним

03-02-2020

x=nickels y=pennies

.05x+.01y=.84

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beingteenowfmao beingteenowfmao

03-02-2020

Answer:

5 nickels

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