You can put this solution on YOUR website! .
N=nickels; Q=quarters=0.20N
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$0.05N+$0.25Q=$6.00
$0.05N+$0.25(0.20)(N)=$6.00
$0.05N+$0.05N=$6.00
$0.10N=$6.00
N=60
ANSWER 1: He has 60 nickels.
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Q=0.20N=0.20(60)=12
ANSWER 2: He has 12 quarters.
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CHECK:
$0.05N+$0.25Q=$6.00
$0.05(60)+$0.25(12)=$6.00
$3.00+$3.00=$6.00
$6.00=$6.00
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