After school, Angelique attends a concert with her friends. The concert lasts two hours, and the volume is 120 decibels. To safely watch the concert, approximately how many decibels must her earplugs block?

asked Jan 17, 2022 161k views

1 vote

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0 votes

Answer:

D. 30

Step-by-step explanation:

edge

4.0k points

6 votes

Answer:

D is correct

Step-by-step explanation:

the person above me to is right as well

Sarah A answered Jan 24, 2022

4.1k points

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