If Jake loses 8 pounds, he will weigh twice as much as his sister Kendra. Together they now weigh 281 pounds. What is Jake’s present weight, in pounds? Choices:
A) 125 B) 135 C) 140 D) 165 E) 190

Rationale: "j + k = 281 and so k = 281 - j j - 8 = 2 k j - 8 = 2 ( 281 - j ) 3 j = 570 j = 190 the answer is e ."
Answer: E