m9aryounDaliW m9aryounDaliW

13-10-2016
Mathematics

contestada

Jack is learning to play the piano which has 88 keys if there are 12 unique keys in each octave. how amny complete octaves are on the piano

Respuesta :

13-10-2016

88/8 =11

Unique key in 1 octave = 12

so, in 11 octave, 12*11 = 132

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