Shareen walked a total 9.52 miles in a walk o thon. if her average is 2.8 miles per hour how long did it take shareen to complete the walk

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )