Question 988338: Kendra has $2.00 in dimes and nikles, if she has two times as many dimes as nickles, how many of each coin does she have? Found 2 solutions by Alan3354, macston:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Kendra has $2.00 in dimes and nikles, if she has two times as many dimes as nickles, how many of each coin does she have?
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Each set of 2 dimes & 1 nickel = 25 cents
200/25 = 8 sets
16 dimes
8 nickels
You can put this solution on YOUR website! .
N=number of nickels; D=number of dimes=2N
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$0.05N+$0.10D=$2.00
$0.05N+$0.10(2N)=$2.00
$0.05N+$0.20N=$2.00
$0.25N=$2.00
N=8 ANSWER 1: She has 8 nickels.
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D=2n=2(8)=16 ANSWER 2: She has 16 dimes.
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CHECK:
$0.05N+$0.10D=$2.00
$0.05(8)+$0.10(16)=$2.00
$0.40+$1.60=$2.00
$2.00=$2.00
