Question 307278
P+N=52 OR P=52-N
.01P+.05N=1.20
.01(52-N)+.05N=1.20
.52-.01N+.05N=1.20
.04N=1.20-.52
.04N=.68
.04N=.68
N=.68/.04
N=17 NUMBER OF NICKELS.
P=52-17
P=35 NUMBER OF PENNIES.
PROOF;
.01*35+.05*17=1.20
.35+.85=1.20
1.20=1.20