Question 192991
.07x+.09(12,000-x)=970
.07x+1,080-.09x=970
-.02x=970-1,080
.02x=110
x=110/.02
x=$5,500 is the amount nvested @ 7%.
12,000-5,500=$6,500 amount invested @ 9%.
Proof:
.07*5,500+.09*6,500=970
385+585=970
970=970