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OpenStudy (anonymous):
Joe has a collection of nickels and dimes that is worth $6.10. If the number of dimes was tripled and the number of nickels was increased by 49, the value of the coins would be $18.95. How many nickels and dimes does he have?
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OpenStudy (anonymous):
Call the original amount of nickels N Dimes D I assume a nickel=x cents and a dime=y cents (I don't know the exact value) xN+yD=610 xN+49x+yD=1895 solve as a system of equations
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