One-fifth of a ton (6)
This clue could be a double definition.
'one-fifth' is the first definition.
The definition and answer can be both quantities as well as being singular nouns.
Perhaps there's a link between them I don't understand?
'ton' is the second definition.
The answer and definition can be both quantities as well as being singular nouns.
Perhaps you can see an association between them that I can't see?
'of a' is the link.
Can you help me to learn more?
(Other definitions for twenty that I've seen before include "made by Q on a light blue square" , "Hundredweights to a ton" , "Dozen plus eight" , "No longer a teenager" , "previous clue?" .)
This could be a double definition.
'one-fifth' is the first definition.
The answer and definition can be both quantities as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
'a ton?' is the second definition.
The answer and definition can be both quantities as well as being singular nouns.
Maybe you can see an association between them that I don't see?
'of' acts as a link.
Can you help me to learn more?
(Other definitions for score that I've seen before include "Tally; group of twenty" , "Deeply scratch" , "obtain illegal drugs ..." , "Hit - music" , "record" .)