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The given bar graph shows the number of accidents in a city during the first 6 months of a year. Examine the bar graph and answer the question.

Bar graph of the number of accidents by month: January 25, February 19, March 30, April 43, May 35, June 27

What is the percentage of accidents in the month of April with respect to the total accidents in the city during six months? (Correct to nearest integer)

  • A.15%
  • B.20%
  • C.22%
  • D.24%

Answer: D

April's share is 24 per cent. The six bars read 25, 19, 30, 43, 35 and 27, which total 179. April has 43, so \[ \frac{43}{179} \times 100 \approx 24.0\% \] which is 24 to the nearest integer.

15%, 20% and 22% do not match 43 out of 179.

The share is worked out as the April bar over the total of all six bars, so 43 / 179 = 0.240 and the figure is 24 per cent.

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