??????????????? "use av" ????????????
wi dont yu yuze logs ????????????
608*(1.08)^x=2,000
(1.08)^x=2000/608=3.289473684
log[(1.08)^x]=log(3.289473684)=0.517126416 (base=10)
log[(1.08)^x]=x*log(1.08)=0.033423755x
x=0.517126416 / 0.033423755
=15.47182261
x=15.47