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Suzanna walked two over seven of a mile in two over five of an hour. What is her unit rate in miles per hour?


two sevenths over two fifths = one and two fifths miles per hour

two fifths over two sevenths = one and two fifths miles per hour

two sevenths over two fifths = five over seven mile per hour

two fifths over two sevenths = five over seven mile per hour
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Respuesta :

Two sevenths over two fifths = five over seven mile per hour

The unit rate is 5 over 7 miles per hour

Solution:

Given that, Suzanna walked two over seven of a mile in two over five of an hour

We have to find the unit rate in miles per hour

Unit rate means number of miles covered in 1 hour

From given information,

Two over seven of a mile in two over five of an hour

Which means,

[tex]\frac{2}{7} \text{ miles } = \frac{2}{5} \text{ hour }[/tex]

[tex]\text{ So she covered } \frac{2}{7} \text{ miles in } \frac{2}{5} \text{ hour }[/tex]

To find for number of miles covered in 1 hour, divide the [tex]\frac{2}{7} \text{ by } \frac{2}{5}[/tex]

[tex]\text{Unit rate in miles per hour } = \frac{\frac{2}{7}}{\frac{2}{5}}\\\\\text{Unit rate in miles per hour } = \frac{2}{7} \times \frac{5}{2} = \frac{5}{7}[/tex]

Two sevenths over two fifths = five over seven mile per hour

Thus unit rate is 5 over 7 miles per hour

Answer:

two sevenths over two fifths = five over seven mile per hour

Step-by-step explanation:

two sevenths over two fifths = five over seven mile per hour