in a public show 75 % of the seats were filled . if there were 700 seats in the hall , how many seats were vacant ?
"75 % of 600 = 75 / 100 × 700 = 450 therefore , the number of vacant seats = 700 - 450 = 175 . answer : d"
divide(multiply(700, subtract(const_100, 75)), const_100)