SOLUTION: A brewer's spent grain contains 80 percent (m/m) moisture. When the grain has lost half of its weight, what is the moisture content?

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Question 835987: A brewer's spent grain contains 80 percent (m/m) moisture. When the grain has lost half of its weight, what is the moisture content?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
100 parts of spent grain.

(80 parts moisture)/(100 parts spent grain)
Plenty of moisture to lose.

%2880-50%29%2F%28100-50%29, because half of the 100 parts is 50 parts.
Computation: 30%2F50=60%2F100
Result: 60% moisture.