Highlands
The dot plots show rainfall totals for several spring
storms in highland areas and lowland areas.
OOO

What is the mean rainfall for the highland storms?
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
Rainfall (mm)
Lowlands
What is the mean rainfall for the lowland storms?
..8
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
Rainfall (mm)

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.