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Question
Convert the following percentage to fractions and ratio:
0.25%
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Solution
\[0.25 \% = \frac{0.25}{100}\]
\[ = \frac{25}{10000}\]
= \[\frac{5}{2000}\]
\[ = \frac{1}{400}\]
\[ \therefore\text{ Ratio }= 1: 400\]
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