A fifth of a number or 1/5 of a number is a fractious way of saying 20% (percentage) or .2 (decimal)
0.2
20%.
20 % is one fifth.
100
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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.
a huge percentage
It would be worth 12.5 pence.
It is a 21.43% drop rounded to two decimal places
94.06 as a percentage of 512.06 is: 94.06/512.06 times 100 = 18.37% rounded to two decimal places
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