SOLUTION: a family was driving 270 miles from miami to tampa.after 5 hours of driving they saw a sign that said tampa 45 miles.what was the average number of miles per hour they drove for th

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Question 123279: a family was driving 270 miles from miami to tampa.after 5 hours of driving they saw a sign that said tampa 45 miles.what was the average number of miles per hour they drove for the first five hours?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(270-45)/5=X
225/5=X
5X=225
X=225/5
X=45 MPH IS THEIR SPEED TO GO 225 IN 5 HOURS.
PROOF
45*5=225
225=225