Solve using unit rates. A person on a moving sidewalk travels 10 feet in 5 seconds. The moving sidewalk has a length of 80 feet.
2 answers:
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Answer:
B
Step-by-step explanation:
To rationalise the denominator.
Multiply the numerator/denominator by the radical on the denominator.
The radical on the denominator is , thus
Multiply the fraction by
→ B