SOLUTION: Alycia opens her piggy bank to find only comes and nickels inside. She counts the coins and finds that she has 82 coins totaling $6.05. How many times were in the piggy bank, and h

SOLUTION: Alycia opens her piggy bank to find only comes and nickels inside. She counts the coins and finds that she has 82 coins totaling $6.05. How many times were in the piggy bank, and h

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Question 1107788: Alycia opens her piggy bank to find only comes and nickels inside. She counts the coins and finds that she has 82 coins totaling $6.05. How many times were in the piggy bank, and how many nickels were in there?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
dimes=D , nickels=N
D+N=82
.10D+.05N=6.05
multiply second by -10
-D-.5N=-60.5
add
0.5N=21.5
N=43 nickels or $2.15
D=39 dimes or $3.90
adds to $6.05
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