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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