SOLUTION: Karen empties out her purse and finds 45 loose coins, consisting entirely of nickels and pennies. If the total value of the coins is $1.37, how many nickels and how many pennies do
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Question 443732: Karen empties out her purse and finds 45 loose coins, consisting entirely of nickels and pennies. If the total value of the coins is $1.37, how many nickels and how many pennies does she have?
Found 2 solutions by jorel1380, Alan3354:
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
x+y=45
x+5y=137
4y=137-45=92
y=23
x=22
Karen has 22 pennies and 23 nickels..
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Another approach:
If all 45 coins were pennies, the total would be $0.45
Each coin that is a nickel instead increases the total by 4 cents.
137 - 45 = 88 cents
88/4 = 22 pennies replaced by nickels
--> 22 nickels, 23 pennies.
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