200
0.0067
22.2222
1200
21.8182
45/1200 = 3/80
1200/24=50 or 24x50=1200
200
0.0067
1200 invested at 5%, at the end of the year will be worth 1200*1.05 = 1260. If this is done yearly, for 45 years, it will be 45*1260 = 56700.
0.0021
240
45/1200 = 0.0375To convert 0.0375 to percent multiply by 100: 0.0375 × 100 = 3.75 %
22.2222
1200
400
17.1429