Answer:
Only on the surface
Step-by-step explanation:
The problem is that you can't get out of the water without passing through the surface.
36.0555
Ok so,
20*2= 40
20*1/2=10
40+10=50
So Johncan travel 50 km in 2 1/2 hours.
Hope this helps :)
Answer:A) 8 miles
8 miles