# A challenge

I've just been set a poser I can't work out as I am more into words than maths

If a pint of beer = 4% ABV

what would be the equivalent ABV = if a 50ml shot of whiskey was topped up with water to a pint

Many thanks

ps an explanation would be very much appreciated

sorry ABV = alcohol by volume
18:49 Sat 14th Apr 2012
 Gizmonster Gonna have to make an assumption as there's not enough info to answer the question - I'll assume that the whisy is 40% ABV 40% of 50ml = 20ml i.e. the whisky is effectively made up of 20ml pure (100%) alcohol and 30ml neutral liquid. Top it up to a pint (568ml). The pint now contains 20ml of pure alcohol and 548ml of neutral solution. Therefore the % ABV... 19:06 Sat 14th Apr 2012 Go To Best Answer

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 Gonna have to make an assumption as there's not enough info to answer the question - I'll assume that the whisy is 40% ABV 40% of 50ml = 20ml i.e. the whisky is effectively made up of 20ml pure (100%) alcohol and 30ml neutral liquid. Top it up to a pint (568ml). The pint now contains 20ml of pure alcohol and 548ml of neutral solution. Therefore the % ABV = 20/568 x 100 = 3.52% ...... I think lol :) 19:06 Sat 14th Apr 2012 3.52% i think. 50 ml of whisky at 40% abv =20ml of alcohol. 1 pint = 568 ml. Divide by 20 =28.4. 100 divided by 28.4. = 3.52 19:14 Sat 14th Apr 2012 Question Author Thank You both 15:44 Sun 24th Jun 2012

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