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a road sign gives drivers information about traffic on busy highways one sign shows 15 miles in 20minutes what is this speed in miles per hour?

Respuesta :

JJNinja9
The answer is 45 miles per hour. First, there are 60 minutes in one hour. So you divide 60 by 20, which equals 3. Knowing that, you multiply 15 by 3, which equals 45.

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