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08-05-2020
Mathematics

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If Kathy walks 3 miles in 80 minutes how far will she in 120 minutes

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08-05-2020

Answer:

4.5 miles

Step-by-step explanation:

We can use a ratio to solve

3 miles x miles

--------------- = ----------------

80 minutes 120 minutes

Using cross products

3 * 120 = 80x

Divide each side by 80

360/80 = 80x/80

4.5 =x

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