Un automóvil corre a 120 kilómetros por hora y otro a 80 kilómUetros por hora; si deben recorrer 960 kilómetros, ¿con cuántas horas de diferencia llega el primero del segundo?

4 hours

Step-by-step explanation:

The speed of the first car is

While the speed of the second car is

The time it takes for each car to cover a distance d is

where

d = 960 km is the total distance covered

For car 1, the time taken is:

For car 2, the time taken is:

Therefore, the difference in time is:

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation: