a ship 450 m long is running at a speed of 24 km / hr . in what time will it pass a bridge 900 m long ?
total length = 450 + 900 = 1350 speed = 24 km / h = ( 24 * 5 ) / 18 = 20 / 3 m / s time = ( 1350 * 3 ) / 20 = 202.5 sec . answer : a
divide(add(450, 900), multiply(24, const_0_2778))