Question

if 22.5% of a number is added to itself then the result becomes 11600 find the original number​

Answer 1

Answer:

22.5/100×11600 10000

10000 will be the answer

Answer 2

The original number is 9469.39

Given:

22.5% of a number is added to itself then the result becomes 11600

To find:

The original number

Solution:

Let a be the original number

Given that 22.5% of the original number is added to itself then the result becomes 11600  

⇒ a + 22.5% of a = 11600

⇒ a + (22.5/100) a = 11600  

⇒ (100a + 22.5a )/100 = 11600

⇒ 122.5a = 1160000

⇒ a = 9469.39  

Therefore, the original number is 9469.39

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