Question

30 POINTS PLEASE HELP

Answer 1

1. There was 20% error.

2. There was 5.33% error.

Step-by-step explanation:

1. Jerri estimated that 30 people would attend the dinner event, but only 25 people attended.

Exact value = 25

Approx value = 30

Percent error = $\frac{|approx-exact|}{exact}*100$

Percent error = $\frac{|30-25|}{25}*100 = \frac{|5|}{25}*100$

Percent error = $\frac{500}{25} = 20\%$

There was 20% error.

2. Gene estimated the length of the fence to be 150 feet, but the actual measurement was 142.

Exact value = 142 feet

Approx value = 150 feet

Percent error = $\frac{|150-142|}{150}*100 = \frac{|8|}{150}*100$

Percent error = $\frac{800}{150} = 5.33\%$

There was 5.33% error.

Keywords: Error, percentage

Learn more about percentages at:

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