A stock of 650 tons of wood has a 16% moisture content. A month later, as a result of drying, the moisture content reduced to 9 %.                                                                       What is the new weight of the stock?

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Form is valid through September 2016


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Here is my solution:

650x0-84=546 tons. This is the quantity of pure wood in the stock. 546 tons is 91% of the new weight.

100% is 54600/91=600 tons.

The new weight of the stock is 600 tons.