Question

if 3℅ of x is 9, find the value of x
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Answer 1

3% of x = 9

$\frac{3}{100} \times x = 9 \\ \\ \implies \frac{3x}{100} = 9 \\ \implies3x = 100 \times 9 \\ \implies \:x = \frac{100 \times 9}{3} \\ \implies { x = 100 \times 3} \\ \implies \boxed{ x = 300}$

Extra information:

• Percentage is taken when a fraction is represented in the denominator of 100
• It's symbol is %
• For finding answer to the above question, we used transposing method. This method is very useful for such a type of algebraic questions.
• Here multiplication becomes division and subtraction becomes addition and vice versa