Keisha has a chocolate Labrador retriever named Sam. She believes her dog weighs 60 pounds. Sams actual weight is 75 pounds. Find the percent error.
The formula for percent error is:
percent error = |(actual value - estimated value) / actual value| * 100
Given that Keisha estimated Sam's weight as 60 pounds and his actual weight is 75 pounds, we can substitute these values into the formula:
percent error = |(75 - 60) / 75| * 100
Simplifying inside the absolute value:
percent error = |15 / 75| * 100
Taking the absolute value of 15/75:
percent error = (15 / 75) * 100
Simplifying the fraction:
percent error = 0.2 * 100
Calculating the product:
percent error = 20
Therefore, the percent error is 20%.
To find the percent error, we can use the formula:
Percent Error = (|Measured Value - Actual Value| / Actual Value) x 100
In this case:
Measured Value (what Keisha believes): 60 pounds
Actual Value: 75 pounds
Now, let's calculate the percent error:
Percent Error = (|60 - 75| / 75) x 100
= (|-15| / 75) x 100
= (15 / 75) x 100
= 0.2 x 100
= 20%
Therefore, the percent error is 20%.
To find the percent error, we need to calculate the difference between the measured value and the actual value, and then divide that difference by the actual value. Finally, multiply the result by 100 to express it as a percentage.
First, calculate the difference between the measured weight and the actual weight of Sam:
Difference = Actual weight - Measured weight
Difference = 75 pounds - 60 pounds
Difference = 15 pounds
Next, divide the difference by the actual weight:
Percent Error = (Difference / Actual weight) * 100
Percent Error = (15 pounds / 75 pounds) * 100
Percent Error = 0.2 * 100
Percent Error = 20%
Therefore, the percent error is 20%.