Question 209075: How many different amounts of money can you pay if you use three coins including nickles, dimes, and quarters?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! How many different amounts of money can you pay if you use three coins including nickles, dimes, and quarters?
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It's 3^3 = 27. But since NND is the same as DNN, it has to be divided by 3
9 possibilities
NNN 15 cents
NND 20 cents
NDD 25 cents
DDD 30 cents
NNQ 35 cents
NQQ 55 cents
QQQ 75 cents
DDQ 45 cents
DQQ 60 cents
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