Question

I was allowed a break of 1 hour 15 min from study, but I took one and half hour. What was my percentage
error?​

Answer 1

Answer:

= 16.6667% error

Step-by-step explanation:

= 16.6667% error

|−|||×100

=(75−90)|90|×100

=−1590×100

=−0.166667×100

=−16.6667%

=16.6667%error

PLEASE MARK AS BRAINLIEST

Answer 2

Answer:

The percentage error is 20%.

Step-by-step explanation:

The percentage error is given as :

percent error = $\frac{x-y}{y}*100 \%$ where

x represents the experimental value and y represents the accepted value.

Remember that, In some fields, percent error is always expressed as a positive number. In others, it is correct to have either a positive or negative value. The sign may be kept to determine whether recorded values consistently fall above or below expected values.

From the data, the accepted value is 1 hour 15 min . The accepted value can be rewritten as 75 min.

The experimental value is 1 hour 30 min. The experimental value can be rewritten as 90 min.

Let the percentage error be represented as p. Now, substituting the values in the equation:

$P=\frac{x-y}{y}*100 \%\\\\P=\frac{90-75}{75}*100 \%\\\\ P=20\%$

Thus, the percentage error is 20%.

To know more about percent error, refer:

https://byjus.com/maths/percent-error/

https://byjus.com/percent-error-formula/

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