In 1986 the book value of a certain car was 2/3 of the original price, and in 1988 its book value was 1/2 of the original purchase price. By what percent did the book value for this car decrease from 1986 to 1988?
A) 16 2/3%
B) 25 %
C) 33 1/3%
D) 50 %
E) 75 %
A) 16 2/3%
B) 25 %
C) 33 1/3%
D) 50 %
E) 75 %
