SOLUTION: Doug had a pile of quarters and nickels. He had 3 times as many nickels as quarters. If the pile of coins was worth 2.80, how many quarters does he have?
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Question 953468: Doug had a pile of quarters and nickels. He had 3 times as many nickels as quarters. If the pile of coins was worth 2.80, how many quarters does he have? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Do it like this one.
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James has $1.25 in nickels and dimes. He has 3 times as many nickels as dimes. Find the number of each type of coin.
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The hard way:
5n + 10d = 125
n = 3d
etc
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Easier:
3n + 1d = 25
125/25 = 5 sets
