john ' s bank ' s saving amount is decreased 50 % due to loan payment and current balance is rs . 50000 . find the actual balance before deduction ?
"50 % decreased 50 % balance = 50000 100 % = 50000 / 50 * 100 = 100000 answer : a"
add(divide(multiply(50000, 50), const_100), 50000)