Sixty five percent of a number is 21 less than four fifth of that number. What is the number ?	Choose the correct choice from the following answers.
A) 150 B) 140 C) 160 D) 170 E) 180
Let the number be x.   Then, 4*x/5 –(65% of x) = 21   4x/5 – 65x/100 = 21   5 x = 2100   x = 140.   so the answer is option 140) 140.
<result>B</result>
Sixty five percent of a number is 21 less than four fifth of that number. What is the number ?