Question

7. (i) If 14% of a certain number is 63, find the number​

Answer 1

Answer:

450

Explanation:

Let the number be x

Now, A/Q,

14% of x = 63

=> 14/100 * x = 63

=> 14x/100 = 63

=> 14x = 6300

=> x = 6300/14

=> x = 450

Answer 2

Let, the number be x

So, 14% of x is 63

or 14/100×x=63

or 14/100=63/x

$or \: \frac{14}{100} \div 63 = \frac{1}{x} \\or \: \frac{14}{100} \times \frac{1}{63} = \frac{1}{x} \\ or \: \frac{2}{100} \times \frac{1}{9} = \frac{1}{x} \\ or \: \frac{2}{900} = \frac{1}{x} \\or \: x = 450$

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