Sonji has $5.25 in nickels and dimes. The coin value can be modeled by the equation 0.100 + 0.05n=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?
35
42
63
105
+3
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Home » Mathematics » Sonji has $5.25 in nickels and dimes. The coin value can be modeled by the equation 0.100 + 0.05n=5.25, where d represents the number of dimes and n represents the number of nickels.