2010005507

SubArea: 
Geometric sequences
Level: 
C
Project ID: 
2010005507
Source Problem: 
9000070507
Accepted: 
0
Clonable: 
1
Easy: 
0
A motorbike depreciates (loses value) at the rate of 12% per year. After how many full years will the value of the motorbike decrease to less than one third of its initial value?
9
6
7
8
10