When in Germany 8% of the whole country  is  covered with solar cells, the whole country has enough electricity to be active.

If you know that Belgium is 8 times smaller as Germany.

How many % of the country  Belgium is needed to be covered  with solar cells to have the same result ?

France is 16 times bigger as Belgium.

How many % of the country has to be covered with solar cells to have the same result ?

Spain is 14 times bigger as Belgium

How many % of the country has to be covered with solar cells to have the same result ?

Poland is half as big as France.

How many % of the country has to be covered with solar cells to have the same result ?