Riddle: A bag of banana weighs 50 lbs divided by half of its weight. how much does the bag of banana weigh?
Answer: The correct answer is 10 lbs
Let the bag of bananas weigh x lb
x = 50 lbs /(x/2) lbs.
x = 50 × 2/x
x = 100/x
Cross multiplication
x^2 = 100
x = 10 lb