Aatikah plans to buy books at a book fair. She thinks she will need $30.00 to purchase the books. She only spends $19.75. Find the percent error in her prediction. Round your answer to the nearest whole number. (1 point)

Question

Aatikah plans to buy books at a book fair. She thinks she will need $30.00 to purchase the books. She only spends $19.75. Find the percent error in her prediction. Round your answer to the nearest whole number. (1 point)

Answer 1

To find the percent error in Aatikah's prediction, we need to calculate the difference between her predicted amount ($30.00) and the actual amount she spends ($19.75).

$30.00 - $19.75 = $10.25

Then, we find the percent error by dividing the difference by the predicted amount and multiplying by 100.

Percent Error = (actual - predicted) / predicted * 100

Percent Error = ($10.25 / $30.00) * 100

Percent Error ≈ 34.17

Rounded to the nearest whole number, the percent error is 34%.

Answer 2

To find the percent error in Aatikah's prediction, we need to compare her predicted amount ($30.00) to the actual amount she spent ($19.75).

First, we calculate the absolute value of the difference between the predicted amount and the actual amount:
|Predicted amount - Actual amount| = |$30.00 - $19.75| = $10.25

Next, we find the percent error by dividing this difference by the predicted amount and multiplying by 100:
Percent Error = (|Difference| / Predicted amount) * 100
Percent Error = ($10.25 / $30.00) * 100

Using a calculator, we find that this equates to approximately 34.17%.

Rounded to the nearest whole number, the percent error in Aatikah's prediction is 34%.

Answer 3

To find the percent error in Aatikah's prediction, we need to calculate the absolute value of the difference between her predicted amount and the actual amount she spent, divided by her predicted amount, and then multiply by 100 to get the percentage.

Step 1: Calculate the difference between her prediction and the actual amount spent.
Actual amount spent = $19.75
Predicted amount = $30.00

Difference = Actual amount spent - Predicted amount
Difference = $19.75 - $30.00
Difference = -$10.25

Step 2: Calculate the absolute value of the difference.
Absolute value of the difference = |Difference|
Absolute value of the difference = |-10.25|
Absolute value of the difference = 10.25

Step 3: Calculate the percent error.
Percent error = (Absolute value of the difference / Predicted amount) * 100
Percent error = (10.25 / 30.00) * 100
Percent error = 0.3417 * 100
Percent error = 34.17

Step 4: Round the percent error to the nearest whole number.
Rounded percent error = 34

Therefore, the percent error in Aatikah's prediction is 34%.