How many Combinations of nickles and dimes can be used to make $0.80.?
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6 combinations.....
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1) 8 dimes
2) 7dimes & 2 nickles
3) 6 dimes & 4 nickles
4) 5 dimes & 6 nickles
5) 4 dimes & 8 nickles
6) 3 dimes & 10 nickles
7) 2 dimes & 12 nickles
8) 1 dimes & 14 nickles
9) 16 nickles
9 combonations
7 if it has to be nickles AND dimes
2) 7dimes & 2 nickles
3) 6 dimes & 4 nickles
4) 5 dimes & 6 nickles
5) 4 dimes & 8 nickles
6) 3 dimes & 10 nickles
7) 2 dimes & 12 nickles
8) 1 dimes & 14 nickles
9) 16 nickles
9 combonations
7 if it has to be nickles AND dimes
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6