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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asked May 27, 2017 192k views

1 vote

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?

Mathematics
high-school

Federico Razzoli asked

by Federico Razzoli

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2 Answers

5 votes

Shorter song= y seconds
Longer song=2y-126
2y-126=286
2y=412
y=206
The shorter song is 206 seconds

Sayyed Hassan Amiri answered May 29, 2017

by Sayyed Hassan Amiri

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4 votes

let x be the length of the short song
length of long one is 2x - 126
2x -126 = 286
2x = 412
x = 206

David Brower answered May 30, 2017

by David Brower

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