Mathematics, 03.09.2021 01:00 loanyst7513
The ratio of the loudness of Lana’s earphones to the loudness of Polina’s earphones to the loudness of Goffy’s earphones is 6:5:3. If Polina’s earphones have a loudness of 90 decibels, find the total loudness of all three earphones.
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The ratio of the loudness of Lana’s earphones to the loudness of Polina’s earphones to the loudness...
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