College essay for UC Santa Barbara has to be 500 words long but the actual essay can vary by as much as 20 words. Write an absolute value inequality that could find the range of possible number of words for the essay. |x - 20| ≤ 500
|x + 20| ≥ 500
|x + 500| ≥ 20
|x - 500| ≤ 20

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

111

step-by-step explanation: