document.write( "Question 351482: if a motorist travels from point a to point b in one hur at 60mph then back to point a from point b at 30mph what is his average speed? \n" ); document.write( "
Algebra.Com's Answer #251142 by nyc_function(2741)\"\" \"About 
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Let A = average speed\r
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\n" ); document.write( "\n" ); document.write( "A = (60 + 30)/2\r
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\n" ); document.write( "\n" ); document.write( "A = 90/2\r
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\n" ); document.write( "\n" ); document.write( "A = 45mph
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