SOLUTION: The number of 25-centavo coin in a purse is 4 less than the number of 50-centavo coins.If the total amount is P8,how many coins are there in all?
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Question 631764: The number of 25-centavo coin in a purse is 4 less than the number of 50-centavo coins.If the total amount is P8,how many coins are there in all? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The number of 25-centavo coin in a purse is 4 less than the number of 50-centavo coins.If the total amount is P8,how many coins are there in all?
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Equations:
t = f - 4
25t + 50f = 800
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Substitute to get:
25(f-4) + 50f = 800
75f - 100 = 800
75f = 900
f = 12 (# of 50-cent coins
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Solve for "t":
t = f -4 = 8 (# of 25-cent coins
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Cheers,
Stan H.
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