Question 770637
I have 25 coins in my pocket, only quarters and nickels
and all together they equal $2.25
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Quantity Equation:: n + q = 25
Value Equation:::: 5n+25q = 225
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Modify for elimination::
5n + 5q = 125
5n +25q = 225
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Solve for "q":
20q = 100
q = 5 (# of quarterrs)
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n + q = 25
n = 20 (# of nickels)
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Cheers,
Stan H.
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