Answer:
Snail A: 0, 5, 10, 15, 20, 25, 30
Snail A travels at a rate of 30 inches in 1 hour or 30 inches per hour.
Snail B: 0, 3, 6, 9, 12, 15, 18
Snail B travels at a rate of 18 inches in 1 hour or 18 inches per hour.
Snail C: 0, 6, 12, 18, 24, 30, 36
Snail C travels at a rate of 36 inches in 1 hour or 36 inches per hour.
Snail D: 0, 4, 8, 12, 16, 20, 24
Snail D travels at a rate of 24 inches in 1 hour or 24 inches per hour.
