Instructions
The following graph shows the number of runs scored by four teams in World Cup tournaments over four different years.
The graph below shows the number of matches played by four teams in past four year's World Cup tournament.
Question 61
By what percent did the average runs per match for South Africa increase in 2011 from 2007?
Solution
Average runs per match for South Africa in 2011 = $$\frac{1200}{8}$$ = 150
Average runs per match for South Africa in 2007 = $$\frac{950}{7}$$ = 135.71
The increase = $$\frac{\left(150-135.71\right)}{135.71}$$ = 10.5%
