Question 800886: you have 20 coins in your pocket that are either quarters or nickles they total $3.40 how much of each do you have? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! you have 20 coins in your pocket that are either quarters or nickles they total $3.40 how mucyou have 20 coins in your pocket that are either quarters or nickles they total $3.40 how much of each do you have? h of each do you have?
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Quantity Eq:: n + q = 20 coins
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Value Eq;::: 5n +25q = 340 cents
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Modify for elimination:
n + q = 20
n + 5q = 68
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Subtract and solve for "q":
4q = 48
q = 12 (# of quarters)
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# of nickels = 8
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Cheers,
Stan H.
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