Question

The number 20000 is first increased by 30% and then decreased by 20%, find the resulting number.

Answer 1

Step-by-step explanation:

$\bf{\underline{\underline\red{Given:-}}}$

• The number = 2000

• First the number is increased by 30%

• Then decreased by 30%.

$\bf{\underline{\underline\blue{To\:Find:-}}}$

• The resulting number.

$\bf{\underline{\underline\green{Solution:-}}}$

The number. is 20000

First increasedby 30%

Increase in number

= 30% of 20000

= $\dfrac{30}{100} \times 2000$

= 30 × 200

= 6000

The number obtained

= 20000 + 6000

= 26000

Then decreased by 20%

Decrease in number

= 20% of 26000

= $\dfrac{20}{100} \times 26000$

= 20 × 260

= 5200

The obtained number

= 26000 - 5200

= 20800

Therefore:-

The resulting number = 20800

Answer 2

20800

is the correct answer