I roughly worked this out today
100 metres of 3 core unwrapped weighs 7.6kg.
A metre weighs 0.07.6kg
1000 grams in a kg
A metre weighs 76grams
£1.10 per kg is 0.0010p per gram
£1.50 per kg is 0.0015p per gram.
A metre (£1.10) is worth 0.076p
A metre (£1.50) is worth 0.114p.
100 metres is worth £11.40 (£1.50 rate) at the scrapyard.
