Mathematics, 21.06.2021 16:30, emmanuelmashao5504

Sonji has $5.25 in nickels and dimes. The coin value can be modeled by the equation 19-05-25, where d represents the number of dimes and in 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 19-05-25, where...