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6 December, 08:18

Amanda composed two songs. The longer song is 126 seconds less than twice the length of the short song. The longer song lasts 286 seconds. How long is the shorter song?

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Answers (2)
  1. 6 December, 08:52
    0
    Shorter song = y seconds

    Longer song=2y-126

    2y-126=286

    2y=412

    y=206

    The shorter song is 206 seconds
  2. 6 December, 11:41
    0
    Let x be the length of the short song

    length of long one is 2x - 126

    2x - 126 = 286

    2x = 412

    x = 206
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