Garden snails can move as slowly as 0.1 inch per second and as quickly as 0.5 inch per second. For a snail that is continuously moving, which of these × would be reasonable as to the amount of time it would take a snail to travel 20 inches?

Rationale

A garden snail would take approximately 90 seconds to travel 20 inches.

At a maximum speed of 0.5 inches per second, a garden snail would require 40 seconds to cover 20 inches. However, considering the minimum speed of 0.1 inches per second, it could take up to 200 seconds. Thus, an average reasonable estimate would be around 90 seconds.

A (2 seconds) YOUR ANSWER

At a speed of 0.5 inches per second, a snail would only cover 1 inch in 2 seconds. To travel 20 inches at this pace would take 40 seconds, making 2 seconds an unrealistic option for the distance specified.

B (10 seconds) YOUR ANSWER

In 10 seconds, a snail moving at 0.5 inches per second would cover only 5 inches. Even at the slower speed of 0.1 inches per second, it would only travel 1 inch in 10 seconds. Therefore, 10 seconds is insufficient for the snail to reach 20 inches.

C (90 seconds) CORRECT

This choice represents a reasonable estimate of the time it would take for a snail to travel 20 inches, considering its varying speeds. Averaging the speeds, it balances the faster and slower rates effectively, aligning with practical experience of snail movement.

D (400 seconds) YOUR ANSWER

At the slowest speed of 0.1 inches per second, it would take 200 seconds to travel 20 inches. While 400 seconds is a possible duration, it exceeds the maximum expected time frame, making it an overly conservative estimate.

Conclusion

The average time for a garden snail to travel 20 inches is best approximated at 90 seconds, considering its speed ranges. While it can take anywhere from 40 seconds to 200 seconds depending on the speed, 90 seconds is a reasonable middle ground that reflects typical movement for garden snails, making it the most sensible choice among the options provided.

Garden snails can move as slowly as 0.1 inch per second and as quickly as 0.5 inch per second. For a snail that is continuously moving, which of these × would be reasonable as to the amount of time it would take a snail to travel 20 inches?

A garden snail would take approximately 90 seconds to travel 20 inches.

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