Question 1157134
A=Aob^x general form.
A/Ao=2=(1+r)^10 years
ln 2=10 ln (1+r)
ln(1+r)=0.0693
raise to e power
1+r=1.071
rate is 7.1% growth per year
19000=Ao(1.071)^25
19000=5.556Ao
Ao=3419.92 or 3420

in 7 years 19000*1.071^7=30,710
same for 34120*1.071^32