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?

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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) About Me  (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