document.write( "Question 577515: mr.simpson drove 315 miles to get to the beach. if he averaged 45 miles per hour,how long didi the trip take? \n" ); document.write( "
Algebra.Com's Answer #370190 by jim_thompson5910(35256)\"\" \"About 
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d = rt\r
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\n" ); document.write( "\n" ); document.write( "315 = 45t\r
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\n" ); document.write( "\n" ); document.write( "315/45 = t\r
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\n" ); document.write( "\n" ); document.write( "7 = t\r
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\n" ); document.write( "\n" ); document.write( "t = 7\r
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\n" ); document.write( "\n" ); document.write( "So it will take 7 hours.
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