Question

imran traveled 80 miles at the speed of 20 mph and another 80 miles at the speed of 60 mph what is his average speed for the entire journey (in mph)?

Answer 1

Answer:30

Step-by-step explanation:Lets find time first t=d/s

80/20 =4 , 80/60 =5.33

4+5.33=9.33 hrs

Now s=d/t

So 80+80 =160

160/9.33,