The snail moved 6 inches in 120 minutes. What was the average speed of the snail in inches per minute?

StartFraction 1 Over 20 EndFraction of an inch per minute
One-half of an inch per minute
2 inches per minute
20 inches per minute

1 answer

To find the average speed of the snail, you can use the formula for speed:

\[ \text{Speed} = \frac{\text{Distance}}{\text{Time}} \]

In this case, the distance the snail moved is 6 inches, and the time taken is 120 minutes.

Now, plug in the values:

\[ \text{Speed} = \frac{6 \text{ inches}}{120 \text{ minutes}} = \frac{6}{120} \text{ inches per minute} \]

Simplifying this fraction:

\[ \frac{6}{120} = \frac{1}{20} \text{ inches per minute} \]

So, the average speed of the snail is \( \frac{1}{20} \) of an inch per minute.

The correct answer is:

StartFraction 1 Over 20 EndFraction of an inch per minute.