Question 290807
N+D=60 MULTIPLY THIS EQUATION BY -.05 & ADD
.05N+.10D=4.45
-.05N-.05D=-3
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.05D=1.45
D=1.45/.05
D=29 DIMES.
60-29=31 NICKELS.
PROOF:
.05*31+.10*29=4.45
1.55+2.90=4.45
4.45=4.45