find the number , difference between number and its 3 / 5 is 64 .
explanation : let the number = x , then , x - ( 3 / 5 ) x = 64 , = > ( 2 / 5 ) x = 64 = > 2 x = 64 * 5 , = > x = 160 answer : option a
multiply(divide(64, const_2), 5)