Question

an aeroplane takes 3 hours to travel a distance of 3000 km another aeroplane Travels at a speed which is hundred km per hour less than the first aeroplane how long will it take to travel the same distance by the second aeroplane

Answer 1

i think 30 in the answer because

t=d/s

so d= 3000

     s= 100

t= 3000/100

=30/1

=30