Answer :
Answer:A piggy bank contains only quarters and nickels and there is a total of 60 coins. The total value of coins is $7.40. I'm guessing that you want to know the number of dimes and the number of nickels.. Let q be the number of quarters Let n be the number of nickels. There are 60 coins all together, so . We know that the value of the coins is $7.40.
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