Question 112588
1.89x+1.53(8-x)=14.04
1.89x+12.24-1.53x=14.04
.36x=14.04-12.24
.36x=1.8
x=1.8/.36
x=5 packages of AA batteries.
8-5=3 packages of AAA batteries.
proof
1.89*5+1.53*3=14.04
9.45+4.59=14.04
14.04=14.04