document.write( "Question 1053590: Dave travels 4200 miles in 5 hours and 15 minutes. What is Dave rate of travel (speed) in miles per hour? \n" ); document.write( "
Algebra.Com's Answer #668798 by ikleyn(52910)\"\" \"About 
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\n" ); document.write( "Dave travels 4200 miles in 5 hours and 15 minutes. What is Dave rate of travel (speed) in miles per hour?
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document.write( "5 hours and 15 minutes = \"5\" \"1%2F4\" hours = \"21%2F4\" hours.\r\n" );
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document.write( "Now, Dave rate of travel (speed) in miles per hour = \"4200%2F%28%2821%2F4%29%29\" = \"%284200%2A4%29%2F21\" = 800 miles per hour.\r\n" );
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