document.write( "Question 232879: Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. In one particular pair of markings, R is 45 mph when T is 6 seconds. Find the speed of a care that travels the given distance in 5 seconds. \n" ); document.write( "
Algebra.Com's Answer #171974 by stanbon(75887)\"\" \"About 
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Over a fixed distance, the speed R varies inversely with the time T. In one particular pair of markings, R is 45 mph when T is 6 seconds. Find the speed of a car that travels the given distance in 5 seconds.
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\n" ); document.write( "R = k[1/T]
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\n" ); document.write( "Find \"k\":
\n" ); document.write( "45 = k[1/6]
\n" ); document.write( "k = 260
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\n" ); document.write( "R = 260[1/T]
\n" ); document.write( "Find the speed of a car that travels the given distance in 5 seconds.
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\n" ); document.write( "R = 260/5
\n" ); document.write( "R = 52 mph
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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