Jonboot3219 Jonboot3219
  • 13-09-2019
  • Mathematics
contestada

when a number is decreased by 40% of itself, the result is 24 what is the number?

Respuesta :

windyyork windyyork
  • 17-09-2019

Answer: The number is 40.

Step-by-step explanation:

Since we have given that

Let the number be 'x'.

If a number is decreased by 40%.

So, number becomes,

[tex]\dfrac{100-40}{100}\times x\\\\=\dfrac{60}{100}\times x\\\\=0.6x[/tex]

According to question, the result becomes 24.

So, our equation becomes,

[tex]0.6x=24\\\\x=\dfrac{24}{0.6}\\\\x=\dfrac{240}{6}\\\\x=40[/tex]

Hence, the number is 40.

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