(Answered) Help with this physics questionyou live on a busy street

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You live on a busy street, but as a music lover, you want to reduce the traffic noise.

a) If you install special sound-reflecting windows that reduce the sound intensity level by 35.0 dB , by what factor have you reduced the sound intensity?

b) If, instead, you reduce the intensity by half, what change (in dB ) do you make in the sound intensity level?

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