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 Sarah and Nancy each drive 600 miles. Sarah’s average speed is represented by X miles per hour. What does the denominator of the rational expression  600/x-4 mean in context of this situation?

 

a.  The denominator represents the time required for Nancy to drive 600 miles 

 

b.   The denominator represents Nancy’s average speed if she averages 4 mph more than Sarah.

 

c. The denominator  represents the time required for Sarah to drive 600 miles

 

d. The denominator represents Nancy’s average speed if she averages 4 mph less than Sarah

 Oct 19, 2018
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d. The denominator represents Nancy’s average speed if she averages 4 mph less than Sarah

 

 

cool cool cool

 Oct 19, 2018

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