document.write( "Question 1122100: Raphael is traveling in a straight line at a constant speed from point A to point B. His distance from point B in miles is -60t+15 where t is number of hours he has been traveling. What is his speed in miles per hour? \n" ); document.write( "
Algebra.Com's Answer #738152 by ikleyn(52790)\"\" \"About 
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\n" ); document.write( "60 miles per hour.\r
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