SOLUTION: Maria drove 30 mph to her appointment. Her average speed on her return trip in the afternoon was 20 mph. The return trip took 1/2 hour longer. How far did she travel to the appoint

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Question 456335: Maria drove 30 mph to her appointment. Her average speed on her return trip in the afternoon was 20 mph. The return trip took 1/2 hour longer. How far did she travel to the appointment?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
x/30+1/2=x/20
2x+30=3x
x=30
Maria drove 30 miles to her appointment. It took her 1 hour to get there, and 1-1/2 hours to get back..