SOLUTION: Carrie has 40 more nickels that Joan has dimes. They both have the same amount of money. How many coins does each girl have?

Question 992862: Carrie has 40 more nickels that Joan has dimes. They both have the same amount of money. How many coins does each girl have?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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J=number of Joan's coins; C=number of Carrie's coins=J+40
$0.10J=$0.05C
$0.10J=$0.05(J+40)
$0.10J=$0.05J+$2.00
$0.05J=$2.00
J=40
ANSWER 1: Joan has 40 dimes.
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C=J+40=40+40=80
ANSWER 2: Carrie has 80 nickels.
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CHECK:
$0.10J=$0.05C
$0.10(40)=$0.05(80)
$4.00=$4.00
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