Mathematics
Mathematics, 17.05.2020 10:57, joneskc0629

Sonji has $5.25 in nickels and dimes. The coin value can be modeled by the equation 0.10 d plus 0.05 n equals 5.25, where d represents the number of dimes and n represents the number of nickels. If Sonji has 21 dimes, how many nickels does she have?

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Sonji has $5.25 in nickels and dimes. The coin value can be modeled by the equation 0.10 d plus 0.05...

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