Respuesta :

40% of the population was killed by the black death

Answer:

50%

Explanation:

In the Bubonic plague that occurred in late 1340s , nearly 25 million people died in England which is more or less 50% of the total population of the country at that time. The bubonic plague causes painfully swollen lymph nodes and has a track record , that if it is left untreated , it kills at least 50%of the infected people.