document.write( "Question 263111: Brent takes a trip in his car. He covers the first 30 miles in one half hour and the last 50 miles in one hour. Find his average speed in mi/h \n" ); document.write( "
Algebra.Com's Answer #193835 by josmiceli(19441)\"\" \"About 
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Average speed is (distance travelled)/(elapsed time)
\n" ); document.write( "The distance travelled is
\n" ); document.write( "\"30+%2B+50+=+80\" mi
\n" ); document.write( "The elapsed time is
\n" ); document.write( "\".5+%2B+1+=+1.5\" hr
\n" ); document.write( "ave speed = \"80%2F1.5+=+53.33\" mi/hr
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