document.write( "Question 486214: Some bank robbers leave town, speeding at 71 mph. Twelve minutes later, the police give chase, traveling at 80 mph. How long will it take after the robbery for the police to overtake the robbers? (Round your answer to three decimal places.)
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Algebra.Com's Answer #332397 by mananth(16946)\"\" \"About 
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robbers speed = 71 mph\r
\n" ); document.write( "\n" ); document.write( "police speed = 80 mph\r
\n" ); document.write( "\n" ); document.write( "catch up speed = 80-71 = 9 mph\r
\n" ); document.write( "\n" ); document.write( "12 minutes = 1/5 hour\r
\n" ); document.write( "\n" ); document.write( "in 1/5 hour the robbers travel 1/5 * 71 = 71/5 miles\r
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\n" ); document.write( "time = (71/5 )/ 9
\n" ); document.write( "time = 71/5 * 1/9
\n" ); document.write( "time = 71/45
\n" ); document.write( "time = 1.578 hours
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