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Mandarinka [93]

3 years ago

6

Amanda composed 2 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.

1 answer:

xxMikexx [17]3 years ago

5 0

LongSong = 286s

LongSong = 2 * ShortSong - 126s

=>

2 * ShortSong - 126s = 286s

2 * ShortSong = 286s + 126s

2 * ShortSong = 412s

ShortSong = 206s

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