Respuesta :

Therefore the required number is 70.

Step-by-step explanation:

Let the number be x.

According to problem

[tex]x\times \frac{30}{100} = 21[/tex]

⇔[tex]x = \frac{21 \times 100 }{30}[/tex]

⇔x = 70

Therefore the required number is 70.

Answer:

the answer will be 70

Step-by-step explanation:

70 :D

Otras preguntas