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

Explanation

(i) sum of ratio = `3+1 = 4`

`3/4 xx 100 = 75 %`

`1/4 xx 100 = 25 %`

(ii) sum of ratio = `10`

`2/10 xx 100 = 20 %`

`3/10 xx 100 = 30 %`

`5/10 xx 100 = 50 %`

(iii) sum of ratio = `5`

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