Answer:
When dividing a fraction by a fraction, we keep the first fraction the way it is, change our division into multiplication and flip the second fraction (which is multiplying by the reciprocal).
=1/3 × 9/1
=9/3
=3 miles per hour
The person's speed is 3 miles per hour.
If 1 hour is 3 miles, then 1/9 of an hour is 1/3 mile.
Explanation:
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The answer is D - porque asi se ha usado siempre.
