Mathematics, 02.09.2019 04:50 svandewalle
sam has 18 coins in his pocket that are either quarters or nickels. the total value of these coins is $3.90.let q represent the number of quarters and n represent the number of nickels. the following system of equations represents this situation: q+n=180.25q+0.05n=3.9 0how many quarters and nickels does sam have?
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sam has 18 coins in his pocket that are either quarters or nickels. the total value of these coins i...
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