Question

A student scale recorded his weight as 160 lb. His weight is actually 164lb. What is the percent error of the scale

Answer 1

Answer:

The percent error of the scale is 2,5%

Step-by-step explanation:

First Step

Calculate the difference (error) between the weight recorded and the actual weight in lbs.

difference = 164 - 160

difference = 4 lbs

Second Step

Convert the difference into percentage by comparing the difference to the actual weight, then multiplied by 100%

percent of difference = $\dfrac{\text{difference}}{\text{actual weight}} \times 100 \%$

percent of difference = $\dfrac{4}{160} \times 100 \%$

percent of difference = $\dfrac{400}{160} \%$

percent of difference = 2,5%