Q.2.    Convert each part of the ratio to percentage:           (a) 3 : 1

M manish

(a) 3: 1
The total sum of the ratio is 3 + 1 = 4
Therefore, the percentage of the first part
$\frac{3}{4}\times 100 = 75\%$

Percentage of the second part
$=\frac{1}{4}\times 100 = 25\%$

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