document.write( "Question 1072758: Lynn takes a step, measures its length and obtains 3 feet. Lynn uses this measurement in attempting to pace off a 1-mile course, but the result is 98 feet too long. What is the actual length of Lynn’s stride, and how could Lynn have done a more accurate job? \n" ); document.write( "

Algebra.Com's Answer #687663 by Fombitz(32388) $\"\"$ $\"About$

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First find the number of steps Lynn took to make a mile,
\n" ); document.write( " $\"3n=5280\"$
\n" ); document.write( " $\"n=1760\"$
\n" ); document.write( "So Lynn actually took 1760 steps but came out to $\"5280%2B98=5378\"$
\n" ); document.write( "So the actual stride is,
\n" ); document.write( " $\"S=5378%2F1760=2689%2F880\"$
\n" ); document.write( "or approximately,
\n" ); document.write( " $\"S=3.06\"$ $\"ft\"$
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\n" ); document.write( "Lynn should use a ruler, yardstick, tape measure, etc. something that cannot change when used multiple times.
\n" ); document.write( "The error would be reduce by using a larger known measurement device.
\n" ); document.write( "Example, using a precisely 100' tape measure 53 times versus using a yardstick 1760 times would reduce the error.
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