Homework Help: Gramar

Posted by Luisa on Friday, March 15, 2013 at 12:54am.

a 4 hour tour averaged 3 miles per hour. if the average rate was 2.5 miles per hour for the first 3 hours what was the average rate for the last hour

Math??? - Writeacher, Friday, March 15, 2013 at 2:23am
What?
Gramar - Steve, Friday, March 15, 2013 at 11:02am
since distance = speed*time, add up the distances:

2.5*3 + x*(4-3) = 3*4

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