The price of a microchip declines by 67 percent every 6 months. At this rate, approximately how many years will it take for the price of an $81 microchip to reach $1?
A. 1.5 years
B. 2 years
C. 3 years
D. 13 years
E. 13.5 years
Please suggest the easiest way to handle such questions.
A. 1.5 years
B. 2 years
C. 3 years
D. 13 years
E. 13.5 years
Please suggest the easiest way to handle such questions.
