Mathematics, 14.04.2021 20:30 rileyeddins1010
Between 1st January 2010 and 1st January 2015, the price of 1 tonne of copper decreased
by 20%
This was a decrease of $1320
Work out the price of 1 tonne of copper on 1st January 2010.​
Answers: 1
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Between 1st January 2010 and 1st January 2015, the price of 1 tonne of copper decreased
by 20%
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