The table and the graph show the population of a country between 2010 and 2015. year population (millions)
2010 36.5
2011
37.7
2012 38.2
2013 38.4
2014 38.9
2015 39.1
40
39
population (millions)
38
37
2010
2011
2012
2013
2014
2015
year
What is the average rate of population growth between 2010 and 2015, in million people per year?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.