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?
Choose the correct choice from the following answers
A) 16 2/3 % B) 25 percent C) 33 1/3 % D) 50% E) 75%
1986; 2/3   1988; 1/2   % decrease = change/ original*100   2/3−1/2 / 2/3∗100   1/6∗3/2∗100=14∗100 =25   Answer: "25 percent"
<result>B</result>
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?