Mathematics, 15.12.2020 20:30, yasminnishkan

Gabby has 20 coins in her pocket that are quarters, dimes, and nickels. The total value of the coins is $2.70. The number of nickels that she has is equal to the number of quarters plus the number of dimes. Choose the system of equations that can be solved to find the number of quarters, 9, dimes, d, and nickels, n, that Gabby has.

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Gabby has 20 coins in her pocket that are quarters, dimes, and nickels. The total value of the coins...

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