tj420351 tj420351
  • 12-04-2020
  • Mathematics
contestada

If 39 is 10% of a number, what is that number? How did you find your answer?

Respuesta :

Wallind11
Wallind11 Wallind11
  • 12-04-2020

Step-by-step explanation:

Let the no. be x

[tex]10\% \: of \: x = 39[/tex]

[tex] \frac{10}{100} x = 39[/tex]

[tex] \frac{1}{10} x = 39[/tex]

[tex]x = 39 \times 10 = 390[/tex]

Therefore , the no. is 390

Answer Link
Hi1315
Hi1315 Hi1315
  • 12-04-2020

Answer:

The numeber is

[tex]390[/tex]

Step-by-step explanation:

[tex]10\% = 39 \\ 1\% \: \: \: = \frac{39}{10} = 3.9 \\ so \\ 100\% = 3.9 \times 100 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 390[/tex]

Answer Link

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