Question 658841
Q=D+4
.25Q+.10D=1.70
.25(D+4)+.10D=1.70
.25D+1+.10D=1.70
.35D=1.70-1
.35D=.70
R=.70/.35
D=2 NUMBER OF DIMES.
Q=2+4
Q=6 NUMBER OF QUARTERS.
PROOF:
.25*6+.10*2=1.70
1.50+.20=1.70
1.70=1.70