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hnori22003

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[tex]70 \times \frac{30}{100} = x \times 84 \\ [/tex]

[tex]7 \times 3 \times 10 \times {10}^{ - 1} = 84x [/tex]

[tex]21 = 84x[/tex]

[tex]84x = 21[/tex]

Divided sides 84

[tex] \frac{84}{84}x = \frac{21}{84} \\ [/tex]

[tex]x = \frac{1}{4} \\ [/tex]

[tex] \frac{1}{4} \times 100 = 25 \: percent \\ [/tex]

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Thus %30 of 70 equals 25 percent of 84.

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ashishdwivedilVT

Using the percentage formula, 21 is a 25% per cent of 84.

What is the percentage?

The percentage is the value per hundred.

30% of 70 =30*70/100

30% of 70 =21

21 is what percent of 84 means = (21/84)*100

21 is what percent of 84 means =25%

Hence, 21 is a 25% per cent of 84.

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