Answer:
The snale went 0.5 inches per second
Explanation:
The equation for speed is: S = d/t
The sail too 5 Seconds to travel 10 inches** this is were you have all your information needed
Now solve
S= 5/10
all you have to do is simplify
D= 1/2
and convert into demile
0.5
now make a statement
The snail went 0.5 inches per second
