Please answer as i dont i have time.

[tex]\\ \sf\longmapsto Speed=\dfrac{20}{2}=10mph[/tex]
Now the distance=10miles+10miles+10miles+10miles=40mi
Step-by-step explanation:
tot dist = 2•(8+2) = 20 miles
t = 2 h
...
dist = 20/2 × 4
dist = 10 × 4
dist = 40 miles