Question 157026
.05x+.10(x+26)=7.40
.05x+.10x+2.60=7.40
.15x=7.40-2.60
.15x=4.80
x=4.80/.15
x=32 is the number of nickels.
32+26=58 dimes.
Proof:
.05*32+.10*58=7.40
1.60+5.80=7.40
7.40=7.40