Posted by Luisa on .
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,
What?

Gramar 
Steve,
since distance = speed*time, add up the distances:
2.5*3 + x*(43) = 3*4