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bija089 [108]
3 years ago
5

Lynn measured the length of her front yard by counting her strides. The yard measured 18.5 feet long. Emily measured the same ya

rd using a tape measure, and found that it was 20 feet long. What was the percent error of Lynn's measurement?
Mathematics
1 answer:
Shalnov [3]3 years ago
7 0

Answer:

8.11%

Step-by-step explanation:

We need to find the percentage error. We can follow the formula shown below:

PE=\frac{New-Orig}{Orig}*100

Where

PE is the Percentage Error

New is the newest measure (given as 20 feet)

Orig is the original, or first, measure (given as 18.5)

Substituting and finding the PE:

PE=\frac{New-Orig}{Orig}*100\\PE=\frac{20-18.5}{18.5}*100\\PE=\frac{1.5}{18.5}*100\\PE=8.11

Tagging the percentage , percent error is about 8.11%

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