document.write( "Question 988042: In the morning, Maria drove to a business appointment at 70 mph. Her average speed on the return trip was 60 mph. The return trip took 0.5 hours longer because of heavy traffic. How far did she travel to the appointment? \n" ); document.write( "
Algebra.Com's Answer #608682 by Alan3354(69443)\"\" \"About 
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In the morning, Maria drove to a business appointment at 70 mph. Her average speed on the return trip was 60 mph. The return trip took 0.5 hours longer because of heavy traffic. How far did she travel to the appointment?
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\n" ); document.write( "d = r*t
\n" ); document.write( "d = 70t = 60*(t + 0.5)
\n" ); document.write( "Solve for t, then for d
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