Question

13. Baby Samuel is crying, producing a sound level of 80 dB. His twin sister Ally...

13. Baby Samuel is crying, producing a sound level of 80 dB. His twin sister Ally also starts crying, but with twice the intensity. The new sound level is

A) 160 dB

B) 83 dB

C) 85 dB

D) 90 dB

Answer was C 85 please explain to me I cant seem to get that answer.. thank you!

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