Question

3kg ka kitna % 12 g hoga?​

Answer 1

Step-by-step explanation:

3 kg=3000g

So,3000×y%=12

or, 3000×y/100=12

or, 3000y/100=12

or, 3000y=1200

or, y=1200/3000

So,y=0.4

So,the percent is: 0.4%

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Answer 2

Answer:

$0.4\%$

Step-by-step explanation:

3Kg = 3000g.

Let the percentage be x.

so,

$\frac{x}{100} \times 3000g = 12g \\ 30x = 12 \\ x = \frac{12}{30} = \frac{4}{10} = 0.4\%$