as a decimal 0.2

as a percentage 20%

A fifth of a number or 1/5 of a number is a fractious way of saying 20% (percentage) or .2 (decimal)

Bacardi rum is about $12 for a fifth.

Under pre-decimal currency in the UK, a shilling was worth twelve pence, and a sixpence worth six pence. The UK adopted decimal currency in 1971.

One farthing was 1/4 of a pre-decimal penny.

It would be worth 12.5 pence.

One crown was worth 60 pence, or 1/4 of a pound.

The sovereign was a gold coin worth one pound, which was 240 pence.

It is a 21.43% drop rounded to two decimal places

The answer will depend on which country's coinage the question is about.

Depends on overall condition, mileage, options, etc...

It can be worth anywhere from 1 cent - $4.00 it all depends on the grade of the coin.

94.06 as a percentage of 512.06 is: 94.06/512.06 times 100 = 18.37% rounded to two decimal places

16.6 with a line above the six after the decimal.

The guinea was worth one pound plus one shilling, or 21 shillings, or 252 pence.