Dick and Jane each saved $5,000 in 1989. In 1990 Dick saved 10 percent more than in 1989, and together he and Jane saved a total of $10,000. Approximately what percent less did Jane save in 1990 than in 1989? Choose the correct choice:
A) 10 % B) 15 % C) 20 % D) 25 % E) 30 %

Rationale: "1990 dick saved = $ 5500 jane saved = $ 4500 ( jane saved $ 500 less than she did the prior year ) jane saved approximately $ 500 / 5000 $ ( 10 % ) less in 1990 answer : a"
Answer: A