nickels is 0,05 of dolar - n dimes is 0,1 o dolar -d quarters is 0,25 of dolar -q dimes =2nickels d=2n quarters=2dimes q=2d=4n 12,5=n(0,05)+2n(0,1)+4n(0,25) 12,5=0,05n+0,2n+n 12,5=1,25n n=10 q=4n=40 There are 40 quarters
There are 40 quarters in the cash register. This is determined by first finding the number of nickels, which is 10, then calculating the number of dimes and quarters based on their defined relationships. The total value calculated from these coins matches the given total of $12.50.
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