SOLUTION: jane drives 180 miles at 90 mph the next day shhe drives 60 miles at 15 mph,what is her average speed for both days? and how did u solve?

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Question 951874: jane drives 180 miles at 90 mph the next day shhe drives 60 miles at 15 mph,what is her average speed for both days? and how did u solve?

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
On day 1, Jane drives 180 mi/90mph=2 hours
On day 2, she drives 60 mi/15 mph=4 hours
Total time driving 2 hrs+4 hrs=6 hrs
Total distance=180mi+60mi=240mi
Overall Jane drove 240mi/6hrs=40 mi/hr ANSWER: Jane's average speed over the two days was 40 miles per hour.