The ratio of the loudness of lala'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 420 decibels, find the total loudness of all three earphones.
Let: Lala be l Polina be P Goffy be G the respective ratio is 6:5:3 Given that Polina's loudness is 420 decibels then the total loudness will be calculated as follows: Total ratio=6+5+3=14 hence total loudness will be: 14/5×420 =1,176 decibels
