SOLUTION: 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 act
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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?
Found 3 solutions by Fombitz, Alan3354, ikleyn:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
First find the number of steps Lynn took to make a mile,
So Lynn actually took 1760 steps but came out to
So the actual stride is,
or approximately,
.
.
.
Lynn should use a ruler, yardstick, tape measure, etc. something that cannot change when used multiple times.
The error would be reduce by using a larger known measurement device.
Example, using a precisely 100' tape measure 53 times versus using a yardstick 1760 times would reduce the error.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
She should take more than 1 step, and then measure.
---
eg, take 10 steps, measure, then divide by 10.
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
.
Usually / (as a rule) there is one way to do things right and infinitely many ways to do them wrong.
I am amazing that there are the tutors in the forum ready to discuss this post.
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