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OpenStudy (anonymous):
A purse contains 21 coins consisting of nickels and dimes. Find the number of coins of each kind if the total value is $1.65. If 5n represents the value of the nickels, then which of the following expressions represents the value of the dimes?
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OpenStudy (anonymous):
what are your choices
OpenStudy (anonymous):
10n 16n 10(21 - n)
OpenStudy (anonymous):
10(21 - n)
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