??????????????????? "simpel-kompound" ???????????????
???????????? "annually" ???????? yu meen "per yeer" ?????????
????????? "sum av munee" ??????? yu put up do ???????
apparentlee yu wann kompound bi yeer
2 yeers it gro tu 17,640$ & 3 yeers=18,522$
start$*(1+%)^2=17,540
start$*(1+%)^3=18,522
18,522 / 17,540=1.05, so it be 5% interest
(1.05)^2=1.1025
start $=17640/1.1025
start=16,000