document.write( "Question 175257: 40 miles in 5 hours. then 40 miles in 10 hours. by how much did his first rate exceed his second rate? \n" ); document.write( "
Algebra.Com's Answer #130362 by Mathtut(3670)\"\" \"About 
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rate =distance/time
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\n" ); document.write( "40/5=8mph
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\n" ); document.write( "40/10=4mph
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\n" ); document.write( "the first rate is twice what the second rate is or it exceeds it by\"highlight%284%29\"mph
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