Question 123065
P+D+Q=44
P=D THUS WE HAVE 2D+Q=44 OR Q=44-2D
.01D+.10D+.25Q=4.37 NOW REPLACE (44-2D) FOR Q
.01D+.10D+.25(44-2D)=4.37
.11D+11-.5D=4.37
-.39D=4.37-11
-.39D=6.63
D=-6.63/-.39
D=17 ANSWER FOR THE NUMBER OF PENNIES & NUMBER OF DIMES.
17=17+Q=44
Q=44=34
Q=10
PROOF
.01*17+.1*17+.25*10=4.37
.17+1.70+2.50=4.37
4.37=4.37