A tradesman sold an article at a loss of 25%. If the selling price had been increased by $500, there would have been a gain of 15%. What was the cost price of the article ?	Pick one
A) $ 1000
B) $ 1200
C) $ 1120
D) $ 1350
E) $ 1250

Rationale: let c . p . be $ x then 125 % of x - 85 % of x = 500 40 % of x = 500 2 x / 5 = 500 x = $ 1250 answer is e
Answer: E