Worksheet 1.5 Percentages - Macquarie University

The standard denominator is 100 and a percentage is a number out of 100 (per cent meaning out of 100 in Latin). Thus 80% means a proportion of 80 in 100 or 80 100. To convert proportions to percentages, then, is a matter of nding an equivalent fraction with denominator 100. To … ................
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