Question 970126: 2/3 of coins in collection of quarter and dimes are quarter.the collection worth $ 12. How many dimes are there? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 2/3 of coins in collection of quarter and dimes are quarter.the collection worth $ 12. How many dimes are there?
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# of quarters:: (2/3)x
# of dimes:: (1/3)x
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Value Equation:
25(2/3)x + 10(1/3)x = 1200 cents
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50x + 10x = 3600
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60x = 3600
x = 60 (total number of coins)
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Ans: # of dimes = (1/3)60 = 20
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Cheers,
Stan H.
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