Mathematics, 27.07.2019 19:00 aidenbender06

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=18 0.25q+0.05n=3.90 how many quarters and nickels does sam have?

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