Question

After detection of 15 from a number it remains only 80%, what is the 40% of the number​

Answer 1

Answer:

30. is the answer. @#₹%%&&--()//

Answer 2

Answer:

Let the number be x.

According to the question,

$x - 15 = \frac{80}{100} \times x$

$x - 15 = \frac{4x}{5}$

$x - \frac{4x}{5} = 15$

$\frac{5x - 4x}{5} = 15$

$\frac{x}{5} = 15$

$x = 75$

Now, 40% of this number is-

$\frac{40}{100} \times 75 = 30$

plz mark as brainliest