Answer:
7:10-7:15
Explanation:
tim walks 80 meters per minute and 4kg is 4000.00 meter so now we know that we divided 4000.00 and 80 we get 50 now we take the time his school start subtract 50 minutes so 8:00 ( the time he supposed to be at school) subract 50 minutes that 7:10. Hoped that helped :)