Question 843865
_______________speed__________time_____________distance
Highway________60_____________235______________
City___________30_____________115______________



What was average speed for the whole trip?

R*T=D, uniform rate equation for travel.


_______________speed__________time_____________distance(MILES)
Highway________60_____________235______________{{{60*235}}}
City___________30_____________115______________{{{30*115}}}
TOTALS________________________350______________17550


Using the totals obtained, the average speed was {{{17550/350=highlight(highlight(50.1))}}} miles per hour


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That would be an incredible drive to take to visit his mother.  That 17550 miles trip is about {{{7/10}}} the distance around the earth!  All that using just "highway" and "city" driving?