Question

If a number is added to two fifth of itself , the value so obtained is 455. What is the number.

Answer 1

Answer:

325

Step-by-step explanation:

x+2/5x=455

7/5x=455

x=455*5/7

x=325

Answer 2

Step-by-step explanation:

$x + \frac{2}{5} x = 455 \\ \\ \frac{7}{5} x = 455 \\ x = \frac{455 \times 5}{7} \\ x = 65 \times 5 \\ x = 325$