Maggs invests $10,250 at a rate of 9%, compounded weekly. to the nearest whole dollar, find the value of the investment after 7 years

Total = Principal * (1 + rate /52) ^ 52*years
Total = 10,250 * ( 1.0017307692) ^ 364
Total = 10,250 * 1.8765883784
Total = 19235.03

Source:
http://www.1728.org/compint.htm

If there are four friends then each would get, 1.25 or 1 1/4. so this is how i solved 5 ÷ 4 = 1.25 . hope this ; )