Convert each part of the ratio to percentage: (a) 3:1 (b) 2:3:5 (c) 1:4 (d) 1:2:5

(a) 3 : 1 Total part = 3 + 1 = 4 [latex]frac{3}{4} : frac{1}{4}[/latex] [latex]frac{3}{4} * 100 : frac{1}{4} * 100[/latex] [latex]75% : 25%[/latex] (b) 2 : 3 : 5 Total part = 2 + 3 + 5 = 10 [latex]frac{2}{10} : frac{3}{10} : frac{5}{10}[/latex] [latex]frac{2}{10} *100: frac{3}{10}*100 : frac{5}{10}*100[/latex] [latex]20%: 30% : 50%[/latex] (c) 1 : 4 Total part = 1 + 4 = 5 [latex]frac{1}{5} : frac{4}{5}[/latex] [latex]frac{1}{5}*100 : frac{4}{5}*100[/latex] [latex]20% : 80%[/latex] (d) 1 : 2 : 5 Total part = 1 + 2 + 5 = 8 [latex]frac{1}{8} : frac{2}{8} : frac{5}{8}[/latex] [latex]frac{1}{8}*100 : frac{2}{8}*100 : frac{5}{8}*100[/latex] [latex]12.5% : 25% : 62.5%[/latex]

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