A number exceeds 20% of itself by 40.

A number exceeds 20% of itself by 40. The number is

Answer/Solution

50

Steps/Work

Explanation:
Let the answer be 'a'
Then a−20/100a=40⇒5a−a=200
⇒a=50⇒a=50
Correct Option: A

Gain Calculator / Auto Solver

A number exceeds % of itself by . The number is

Calculated Answer

50

Step by Step Solution

In order to solve problem, you must evaluate n₁ / (1 - n₀ / 100).

n₀ =	20
n₁ =	40

n₁ / (1 - n₀ / 100)
Evaluate n₀ / 100 = 0.2
n₁ / (1 - 0.2)
Evaluate 1 - 0.2 = 0.8
n₁ / 0.8
Evaluate n₁ / 0.8 = 50
50
The answer to the problem and the result of n₁ / (1 - n₀ / 100) is 50