A certain sum of money doubles itself in 17 years in how much many years will it trible itself at the same rate?
Select the correct option:
A) 20 years  B) 76 years  C) 88 years  D) 44 years  E) 34 years
100 ---- 100 --- 17   100 --- 17   --------------------   300 ---- 34 years   Answer: 34 years
<result>E</result>
A certain sum of money doubles itself in 17 years in how much many years will it trible itself at the same rate?