find the number, difference between number and its 3/5 is 64.  Choose one:
A) 160 B) 163 C) 164 D) 165 E) 166

Rationale: explanation : let the number = x , then , x - ( 3 / 5 ) x = 64 , = > ( 2 / 5 ) x = 64 = > 2 x = 64 * 5 , = > x = 160 answer : option a
Answer: A