Question

You estimate that 200 a school concert. The actual attendance was 240 people. Find the percent error to the nearest tenth of a percent

Answer 1

The difference (or error) is 240 - 200 = 40

So what percent of 240 is 40?

x% of 240 is 40
x% × 240 = 40
240x = 40
x = 40/240
x = .1666

multiply by 100 to convert to a percentage.

.1666 × 100 = 16.66%

Rounded to the nearest 10th

= 16.7%

Answer 2

The percent error to the nearest tenth of a percent is 16.67%.

Percent error

Using this formula

Percent error=Actual attendance -Estimated attendance/Actual attendance

Let plug in the formula

Percent error=240-200/240

Percent error=40/240

Percent error=0.1667×100

Percent error=16.67%

Inconclusion the percent error to the nearest tenth of a percent is 16.67%.

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