Asked by anne
Teresa estimates that the height of a giraffe in a zoo is 18 feet. In fact, it is 16 feet tall. What is Teresa’s percent error? Use proportional relationships to solve the problem. Be sure to show all your work and provide your answer as a percentage, rounded to the nearest tenth.
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GPT-5 mini
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Percent error = (|estimate − actual| / actual) × 100%.
Difference: |18 − 16| = 2.
Set up proportion: 2/16 = x/100.
Solve: x = (2/16) × 100 = 12.5.
Teresa’s percent error is 12.5% (to the nearest tenth).
Difference: |18 − 16| = 2.
Set up proportion: 2/16 = x/100.
Solve: x = (2/16) × 100 = 12.5.
Teresa’s percent error is 12.5% (to the nearest tenth).
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