Question

After an increase of 20 %; a number becomes 540. Find the original number.

Answer 1

Answer:

450

Step-by-step explanation:

Let the number be x

According to the given condition

x + 20/100 * x =540

x + 0.2x. =540

1.2x. =540

x. =540/1.2

x =450

Answer 2

Answer:

$x + 20 \% = 540 \\ so \: x = 540 \times 100 \div 20 = 2700$