SOLUTION: a coin bank contains twenty-two coins in nickes, dimes and quarters . there are four times as many dimes and quarters. the value of the coins is $2.30 how many dimes are in the ba
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Question 125232: a coin bank contains twenty-two coins in nickes, dimes and quarters . there are four times as many dimes and quarters. the value of the coins is $2.30 how many dimes are in the bank
ps: i don't understand when it askme "there are four times as many dimes and quarters Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! "There are four times as many dimes and quarters." This looks
like a misprint. It should read:
"There are four times as many dimes AS quarters."
Let = number of nickels
Let = number of dimes
Let = number of quarters
My approach would be to get the 1st equation in terms of
nickels and quarters only. I will multiply both sides of
the 2nd equation by and add them
Now substitute the 3rd equation for
Ther are 12 dimes in the bank
check:
OK
