document.write( "Question 176669: A car travels around a 1 mile oval track at 30mph. The same car does a second lap, how fast does the car need to travel to aveage 60mph for both laps? \n" ); document.write( "
Algebra.Com's Answer #131729 by Fombitz(32388)\"\" \"About 
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\"%28s%5B1%5D%2Bs%5B2%5D%29%2F2=60\"
\n" ); document.write( "\"%2830%2Bs%5B2%5D%29%2F2=60\"
\n" ); document.write( "\"30%2Bs%5B2%5D=120\"
\n" ); document.write( "\"s%5B2%5D=90\"
\n" ); document.write( "The car would have to do 90 mph on the second lap to average 60 mph for both laps.
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