You can put this solution on YOUR website! there has to be less than 20 nickels since or $1
16 nickels = 80 cents
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I'll try
8 nickels = 40 cents
plus 40 pennies, which is 48 coins
making 80 cents
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I'll try
10 nickels = 50 cents
and 30 pennies, which is 40 coins
adding up to 80 cents