Problem Solved: Calculating Pounds of V.S. Pumped to a Digester - Wastewater Math

This question comes from the California Wastewater grade 1 certification exam sample questions that can be found here: http://www.swrcb.ca.gov/water_issues/programs/operator_certification/docs/1ques.pdf

The problem reads:
Thirty-four hundred and fifty (3450) gallons of primary sludge is pumped to an anaerobic digester. How many pounds of V.S. are pumped to the digester if the sludge contains 4.3%
T.S. and 76% V.S.?
a. 25,806 lbs.
b. 12,370 lbs.
c. 1,237 lbs.
d. 940 lbs.
e. 715 lbs

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Видео Problem Solved: Calculating Pounds of V.S. Pumped to a Digester - Wastewater Math канала American Water College