SOLUTION: The current value of a vehicle is sh.128000.If this vehicle has been depreciating by 1/5 of its value every year. Find its value four years ago?

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Question 849890: The current value of a vehicle is sh.128000.If this vehicle has been depreciating by 1/5 of its value every year. Find its value four years ago?
Answer by hamsanash1981@gmail.com(151) About Me  (Show Source):
You can put this solution on YOUR website!
x*80/100*80/100*80/100*80/100 = 128000
x = 312500