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13-10-2016
Mathematics

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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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