Question

. A number increased by 15% becomes 391. Find the number​

Answer 1

Answer:

253.04 (approx)

Explanation:

Let the number be x

$x + 15\% \: of \: x = 391 \\ x + \frac{15}{100} \times x = 391 \\ x + \frac{3x}{20} = 391 \\ \frac{20x + 3x}{20} = 391 \\ 23x = 291 \times 20 \\ x = \frac{291 \times 20}{23} \\ x = \frac{5820}{23} = 253.04$