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? asked in Entertainment & MusicMusicClassical · 3 weeks ago

The ratio of broken to working piano keys was 2 to 9. If there were 88 keys on the old piano, how many were broken? ?

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  • Florine
    Lv 5
    3 weeks ago

    This probably belongs in math section:

    2x + 9x = 88

    11x = 88

    x = 8

    Broken = 2x, Working = 9x

    Broken = 2 • 8 = 16 broken keys (bad piano)

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