document.write( "Question 951589: A car travels 100 miles in 2 hours and 30 minutes. Work out its average speed \n" ); document.write( "
Algebra.Com's Answer #581132 by rothauserc(4718)\"\" \"About 
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rate * time = distance
\n" ); document.write( "rate = distance / time = 100 / 2.5 = (100*2) / 5 = 40 mph
\n" ); document.write( "checking our answer
\n" ); document.write( "40 * 5/2 = 100
\n" ); document.write( "100 = 100
\n" ); document.write( "our answer checks
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