Aminata is a commercial jet pilot.

She is trying to calculate how many tonnes of jet fuel her aeroplane needs for its next flight.

She estimates that it needs 175t of fuel.

The actual amount it needs is 184t.

Calculate the percentage error in her estimate.

To calculate the percentage error in Aminata's estimate, we can use the same formula:

\[
\text{Percentage Error} = \left( \frac{|\text{Estimated Value} - \text{Actual Value}|}{\text{Actual Value}} \right) \times 100
\]

Substituting the given values:

\[
\text{Percentage Error} = \left( \frac{|175\, \text{t} - 184\, \text{t}|}{184\, \text{t}} \right) \times 100
\]

\[
\text{Percentage Error} = \left( \frac{9\, \text{t}}{184\, \text{t}} \right) \times 100 \approx 4.89\%
\]

So, the percentage error in Aminata's estimate is approximately **4.89%**.

Would you like any details or have any questions? Here are 5 related questions you might consider:

1. How does the percentage error relate to the accuracy of a pilot's fuel estimate?
2. What factors could contribute to discrepancies in fuel estimates for aircraft?
3. How can pilots improve the accuracy of their fuel estimates?
4. What is the impact of underestimating or overestimating fuel needs in aviation?
5. What are the safety margins typically considered in aviation fuel calculations?

**Tip:** In critical fields like aviation, small percentage errors can have significant consequences, so precise calculations are crucial.

Learn how to calculate percentage error in Aminata's fuel estimate for her commercial jet. Understand the formula used and its application in aviation calculations. Suitable for high school students and anyone interested in mathematics applied to real-world scenarios.

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