Given :
Peter velocity , P = 30 mph .
Mitchell velocity , M = 40 mph .
Mitchell leaves 15 min later .
To Find :
If they drive along the same route how long will it take Mitchell to catch Peter.
Solution :
Distance covered by Peter in 15 min .

Let , time taken is x .
So , distance covered b them is equal :

Therefore , time taken by them is 45 minutes .
Hence , this is the required solution .
Answer:
20 miles
Step-by-step explanation:
I'm not sure if that is exactly how you solve it but
If its
8x+4 as the equation and x is the number of hours run
the total number of miles run should be 20 miles
8(2)+4=20
Answer: 4
Step-by-step explanation: We can rewrite this as 5 1/4 - 1 1/4 which equals 4.