to travel some distance. WhatA car with speed 60 km/hr takes 8 hours t

1.	to travel some distance. WhatA car with speed 60 km/hr takes 8 hours to travel some distanashould be the increase in the speed if the same distance is to be covered in7 hours?biel
Answer» it should be increased 4km/h car speed -60 km/hrtime taken-8hrdistance = speed× time d = 60 × 8 = 480 time 15/2same distance = time × speed480 = 15/2 × speed 480×2 =15 ×speed 960 /15 = speed64 km/hr speed

to travel some distance. WhatA car with speed 60 km/hr takes 8 hours to travel some distanashould be the increase in the speed if the same distance is to be covered in7 hours?biel

Answer»

it should be increased 4km/h

car speed -60 km/hrtime taken-8hrdistance = speed× time d = 60 × 8 = 480

time 15/2same distance = time × speed480 = 15/2 × speed 480×2 =15 ×speed 960 /15 = speed64 km/hr speed