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GeniusKid
Questions and answers by visitors named
GeniusKid
Answers (2)
1,176 decibels. You do 420/5 because Polina's earphones are the 5 in the ratio 6:5:3 and you get 84. Multiply the other 2 numbers in the ratio by 84 and you get 504+420+252 which is 1,176 decibels
1,176
