document.write( "Question 899929: An ambulance travels 315 miles in 4 hours 30 minutes. At what average speed does it travel ? \n" ); document.write( "
Algebra.Com's Answer #545701 by lenny460(1073)\"\" \"About 
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An ambulance travels 315 miles in 4 hours 30 minutes. At what average speed does it travel ?\r
\n" ); document.write( "\n" ); document.write( "4 hours 30 minutes = 4.5 hours = 4 1/2 hours\r
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\n" ); document.write( "\n" ); document.write( "4 1/2 = 9/2\r
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\n" ); document.write( "\n" ); document.write( "315 / (9/2) = 315 * 2/9\r
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\n" ); document.write( "\n" ); document.write( "315 * 2 = 630\r
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\n" ); document.write( "\n" ); document.write( "630 / 9\r
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\n" ); document.write( "\n" ); document.write( "Average speed:\r
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\n" ); document.write( "\n" ); document.write( "70 mph
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