Mathematics, 29.08.2021 23:10 lightsofthedarkness
The ratio of the loudness of Lalas earphones to the loudness of Polina's earphones to the loudness of Goffy's earphones is 6:5:3, respectively. If Polina's earphones have a loudness of 90 decibels, find the total loudness of all three earphones?
Answers: 2
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The ratio of the loudness of Lalas earphones to the loudness of Polina's earphones to the loudness o...
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