A number increased by 40% gives 700. The number is
Choose the correct choice:
A) 250	B) 500	C) 450	D) 500	E) 520

Rationale: "formula = total = 100 % , increse = ` ` + ' ' decrease = ` ` - ' ' a number means = 100 % that same number increased by 40 % = 140 % 140 % - - - - - - - > 700 ( 140 × 5 = 700 ) 100 % - - - - - - - > 700 ( 100 × 5 = 500 ) b )"
Answer: B