Unit 7.1



In mathematics, a percentage is a number or ratio expressed as a fraction of 100.

It is often denoted using the percentage sign: %.

Sometimes we can also write per cent.

  1. 10% = 10 per cent = 10/100; 30% = 30 per cent = 30/100; etc.
  2. Fifty percent of Europeans

Percentages are used:

  1. to talk about fractions when values are considered to be part of a hundred.
  2. at the start of a sentence in the extended form (per cent).


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