The Barrel of Beer

Liquor merchant Smith had six barrels with the following respective volumes: 150, 160, 180, 190, 200 and 310 liters. One of the barrels contained beer, the others wine.

Merchant Smith sold some of the wine to Mr. Jones and then twice as much to Mr. Abernathy, which left him with only the barrel of beer.

How many liters did the barrel of beer contain?

About Ken

Bachelor of Science in Physics, Honors, University of Maryland. Graduate of Danish School of Classical Homeopathy in 1998. Studies over several years at the International Academy of Classical Homeopathy in Alonnisos, Greece with the world-famous homeopath George Vithoulkas (winner of the Right Livelihood Award, the alternative Nobel Prize). Director of Klinik for Klassisk Homøopati in Herlev, Denmark. Director of the Iberian School and Clinic of Classical Homeopathy in Estepona, Costa del Sol, Spain and Gibraltar. Founding member of the Spanish Association of Classical Homeopathy (Asociación Española de Homeopatía Unicista) approved by ECCH (European Council for Classical Homeopathy). Currently director of the International Homeopathic Web Clinic and the Avila Clinic and School of Classical Homeopathy in Caracas, Venezuela. Kjetill Oftedal offers consultations in English, Spanish, Norwegian, Danish, Swedish, German, Dutch and Portuguese.
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