Answer:
8 2/5 miles or 8.4 miles
Explanation:
Liam walked his Dog=1 2/5=1.4 miles
Since JJ walked his dog 5 times farther than Liam, this can be expressed as
(1.4×5)=7 miles
Total miles both walked their dogs=(Liam's distance+JJ's distance)
=(1.4+7)=8.4 miles, or 8 2/5 miles