John has $1,600 at the beginning of his trip, after spending money, he still has exactly $600 less than he spent on the trip. How much money does John still have?  Answers:
A) $ 200 B) $ 400 C) $ 600 D) $ 800 E) $ 500

Rationale: suppose total money spent = x not spend ( money he still has ) = x - 600 x + x - 600 = 1600 x = 1100 money not spend = 1100 - 600 = 500 answer : e
Answer: E