Last year a farmer dug 6 583 tonne of potatoes
from his farm. This year he dug 2 786 tonne from
one field and 2 862 tonne from another field.
How many more tonne did he dig last year?
Please explain on text or just say the answer.

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.