in a public show 62 % of the seats were filled . if there were 600 seats in the hall , how many seats were vacant ?
"75 % of 600 = 62 / 100 × 600 = 372 therefore , the number of vacant seats = 600 - 372 = 228 . answer : e"
divide(multiply(600, subtract(const_100, 62)), const_100)