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30% of a number exceeds 25% of the same ...

`30%` of a number exceeds `25%` of the same number by `27`. What is the value of the number ?

A

`540`

B

`270`

C

`108`

D

`90`

Text Solution

AI Generated Solution

The correct Answer is:
To find the value of the number based on the given information, we can follow these steps: ### Step-by-Step Solution: 1. **Let the number be represented as \( x \)**. - We will denote the unknown number as \( x \). 2. **Calculate 30% of the number**: - \( 30\% \) of \( x \) can be calculated as: \[ \text{30% of } x = \frac{30}{100} \times x = 0.3x \] 3. **Calculate 25% of the number**: - \( 25\% \) of \( x \) can be calculated as: \[ \text{25% of } x = \frac{25}{100} \times x = 0.25x \] 4. **Set up the equation based on the problem statement**: - According to the problem, \( 30\% \) of the number exceeds \( 25\% \) of the same number by \( 27 \). This can be expressed as: \[ 0.3x - 0.25x = 27 \] 5. **Simplify the equation**: - Combine like terms: \[ 0.3x - 0.25x = 0.05x \] - Therefore, the equation becomes: \[ 0.05x = 27 \] 6. **Solve for \( x \)**: - To find \( x \), divide both sides by \( 0.05 \): \[ x = \frac{27}{0.05} \] - This simplifies to: \[ x = 27 \times 20 = 540 \] 7. **Conclusion**: - The value of the number is: \[ \boxed{540} \]
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