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OpenStudy (anonymous):
jack is learning to play the piano which has 88 keys. if there are twelve unique keys in each octave, how many complete keys are on the piano?? EXPLAIN
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OpenStudy (anonymous):
My understanding of this question is: The first eleven keys are all different notes. The twefth key is the same as the first key (different octave though). So, a complete grouping of notes consists of 11 keys and we have 88/11= 8 complete keys on the piano.
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