70% of a number is added to 120, the result is the same number. Find the number?  Choose the most appropriate option:  A) 300  B) 400  C) 1687  D) 997  E) 121
(70/100) * X + 120 = X   2X = 800   X = 400   Answer:400
<result>B</result>
70% of a number is added to 120, the result is the same number. Find the number?