Question

Express each of following in per cent 1 by 25

Answer 1

1/25 into %

$\sf{ \frac{1}{25} \times 100}$

= 4 %

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Some conversion rules of %

• To convert a percentage into a fraction write the number as the numerator and 100 as the denominator, and then reduce this fraction to its simplest form. You can also express the fraction as a ratio.

• To convert a fraction into a percentage, multiply the fraction by 100 and add the % symbol. Since ratios are essentially fractions, you can also express a ratio as a percentage.

• To convert a percentage into a decimal, remove the % sign and shift the decimal point in the number by two places to the left.

• To convert a decimal into a percentage, shift the decimal point in the number by two places to the right and add the % sign.

• To find a given percentage of a quantity, write the percentage as a fraction and multiply the quantity by this fraction.

$\sf\large{x\% \: \: of \: \: y = \frac{x}{100} \times y}$

Answer 2

Answer:

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