# If Amanda walks at an average speed of 2.72 miles per hour, how long will it take her to walk 6.8 miles?

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Kayla
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Aug 2, 2016

#### Answer:

It'll take Amanda 2.5 hours to walk 6.8 miles

#### Explanation:

Let's set up a proportion that compares miles to minutes based on the given ratio and the ratio that you want to find:

The left side shows the proportion of miles to hours that you've given me, and the right side shows the number of miles that we know over the unknown time expressed in hours.

Multiply 1 and 6.8 together:

Multiply

Set

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