There is a piggy bank that contains only nickels and dimes. The total number of coins in the bank is 33. The total value of these coins is $3.05. Find the number of nickels and the number of dimes in the piggy bank.
Dimes are worth ten cents and there are 28 of them in the piggy bank so that is $2.80, there are 5 nickels so they are worth 25 cents or $0.25. $2.80 + $0.25 = $3.05.
