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Simplification & Approximation · Question 61 of 71

Question 61

EasyOriginal question

A village has 1,603 households, and 24.97% of them have rooftop solar panels. Approximately how many households have rooftop solar panels?

Options for question 61

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. 24.97%≈25%=1424.97\% \approx 25\% = \frac{1}{4} and 1603≈16001603 \approx 1600.

  2. 14×1600=400\frac{1}{4} \times 1600 = 400.

Worth noting

Knowing that 25% is one quarter turns the percentage into a single division. 320 is 20% of 1600.

Concept
Approximating a percentage with a friendly fraction
Typical time
35 s
Your time
—
The rule this testsApproximation
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