document.write( "Question 640737: If a motorist travels 90km in 2.5 hours,what is his average speed in km per hour \n" ); document.write( "
Algebra.Com's Answer #403395 by Alan3354(69443)\"\" \"About 
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If a motorist travels 90km in 2.5 hours,what is his average speed in km per hour
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t
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