Question 401804
N+D=16 
D=N+8
N+(N+8)=16
2N+8=16
2N=16-8
2N=8
N=8/2
N=4 NICKELS.
D=4+8=12 NUMBER OF DIMES.
.05*4+.10*12=.20+1.20=$1.40 TOTAL AMOUNT.