Respuesta :

Hmmmm...I’m not sure but you will will get the right answer don’t give up!

Explanation:

Hunk

s=540 km, v=90km/hr t=540/9= 6hrs

Tim completed the same journey 1hr30min less than Hunk

Tim's t= 6 - 1.5 = 4.5hrs

av speed = total dist/time taken

= 540/4.5

= 120km/hr

Goodluck