1400 tons of ore is needed to obtain 126 tons of gold
How to determine the amount of ore?
The proportion is given as:
Gold = 9% of ore
When there are 126 tons of gold, we have:
9% of ore = 126 tons
Express as product
9% * ore = 126 tons
Divide both sides by 9%
ore = 1400 tons
Hence, 1400 tons of ore is needed to obtain 126 tons of gold
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