Question
Streamer D is five times as long as Streamer E. Streamer E is 40 cm shorter than Streamer F. Streamer F is 80 cm shorter than Streamer D. How long is Streamer E?
4 m

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Streamer D is five times as long as Streamer E. Streamer E is 40 cm shorter than Streamer F. Streamer F is 80 cm shorter than Streamer D. How long is Streamer E?