Question 346431
Q+N=46 OR N=46-Q
.25Q+.05N=5.60
.25Q+.05(46-Q)=5.60
.25Q+2.30-.05Q=5.60
.20Q=5.60-2.30
.20Q=3.30
Q=3.3O/.20
Q=16.5 ANS. FOR THE NUMBER OF QUARTERS
N=46-16.5=29.5 ANS. FOR THE NUMBER OF NICKELS.
PROOF:
.25*16.5+.05*29,5=5.60
4.125+1.475=5.60
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NOT A VALID COIN PROBLEM.