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.

Question

asked Jan 22, 2019 110k views

1 Answer

KBart · Answer 1 · 2019-01-29T13:32:18+0000

LongSong = 286s

LongSong = 2 * ShortSong - 126s

=>

2 * ShortSong - 126s = 286s

2 * ShortSong = 286s + 126s

2 * ShortSong = 412s

ShortSong = 206s