Question

find the number whose 12 1/2 % is 80​

Answer 1

Answer:

The required number is 640

Step-by-step explanation:

Given : Expression $12 \frac{1}{2}\%$ is 80.

To find : The number ?

Solution :

Let the number be $'x'$

According to question,

$12 \frac{1}{2}\% \: of \: x = 80$

$\frac{25}{2} \times x = 80$

$\frac{25}{2 \times 100} \times x = 80$

$x = \frac{80 \times 200}{25}$

$x = \frac{16000}{25}$

$x = 640$

Therefore, The required number is 640.

Answer 2

Step-by-step explanation:

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