Question 64

The following bar graph shows the number of girls in a school over 5 years.

Find the percentage decrease in the number of girls from the year 2012 to the year 2013.

Solution

percentage decrease = $$\frac{\left(28-14\right)}{28}\times100$$

= $$\frac{14}{28}\times100$$

= $$\frac{1}{2}\times100$$

= 50%


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