in an examination 35 % of the students passed and 455 failed . how many students appeared for the examination ?
"let the number of students appeared be x then , 65 % of x = 455 65 x / 100 = 455 x = 455 * 100 / 65 = 700 answer is c"
divide(multiply(455, const_100), subtract(const_100, 35))