A student places a steak on one side of a double balance pan. She adds weights of known mass to the other side until both sides balanced, then she eats theee fourths of the steak and places it back on the scale

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min