the credit card and a global payment processing companies have been suffering losses for some time now . a well known company recently announced its quarterly results . according to the results , the revenue fell to $ 48.0 billion from $ 69.0 billion , a year ago . by what percent did the revenue fall ?
"$ 69 - $ 48 = 21 $ ( 21 / 69 ) * 100 = 30.434 % answer : b"
multiply(divide(subtract(69.0, 48.0), 69.0), const_100)