ToastytheRobot
Answered

Toni measured the height of her bedroom doorway with a measuring tape. She measured the height as 171 cm. The doorway’s actual height is 182.8 cm.


What is the percent error in Toni’s measurement? Round to the nearest tenth of a percent, if necessary.


A.

0.12%



B.

6.5%




C.

6.9%



D.

11.8%

Verified Answer :

iGreen

First, subtract the two numbers.

\(\sf182.8-171=11.8\)

Now divide this to the actual measurement.

\(\sf11.8\div182.8=0.0645514223\)

Multiply by 100:

\(\sf0.0645514223\times100=6.45514223\)

So the percent error is approximately \(\sf6.5\%\)

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