Question

understand the seriousness of the problem change the voice​

Answer 1

Answer:

the seriousness of the problem was understand

Answer 2

Answer:

Let the seriousness of the problem be understood.

Explanation:

Question:

understand the seriousness of the problem -change the voice.

Answer:

Let the seriousness of the problem be understood.

*The given question is an imperative sentence.

*There is no subject found in this sentence.

*So we have to add "Let" before the subject in the passive voice.

*So the answer is,

Let the seriousness of the problem be understood.