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OpenStudy (anonymous):
In a collection of dimes and nickels, there are 36 coins. The total value of the coins is $2.90. How many coins of each type are there? dimes=______ nickels=_____
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OpenStudy (anonymous):
x=dimes y=nickels x+y=36 10x+5y=290 2x+y=58 2x+y-2x-2y=58-72 y=14 x=36-y=22
OpenStudy (anonymous):
dimes 22 nickels 14 ??
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
thanks
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