A student chose a number, multiplied it by 2, then subtracted 140 from the result and got 102. What was the number he chose?	Choose the correct choice:
A) 90	B) 100	C) 120	D) 160	E) 121

Rationale: "solution : let x be the number he chose , then 2 * x * 140 = 102 2 x = 242 x = 121 correct answer e"
Answer: E