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Question

Difficulty: EasyFractions, Decimals, Percentages, and Approximations

A worker's monthly salary was increased from N50,000\text{N}50,000 to N55,000\text{N}55,000. What is the percentage increase in the worker's salary?

Answer: 10 %

Answer

The percentage increase in the worker's salary is 10%10\%.
The salary increase is N55,000−N50,000=N5,000\text{N}55,000 - \text{N}50,000 = \text{N}5,000. Evaluating this change relative to the initial salary gives 5,00050,000×100%=10%\frac{5,000}{50,000} \times 100\% = 10\%.

Step-by-Step Solution

1
Calculate the absolute increase in salary
Increase = N5,000\text{N}5,000
Subtract the initial salary from the new salary: N55,000−N50,000=N5,000\text{N}55,000 - \text{N}50,000 = \text{N}5,000.
2
Compute the percentage increase relative to the original salary
Percentage Increase = 10%10\%
Divide the increase by the original value and multiply by 100%100\%: 5,00050,000×100%=10%\frac{5,000}{50,000} \times 100\% = 10\%.

Key Concept

Percentage Increase
Estimated Time:45s
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Topics

Fractions, Decimals, Percentages, and Approximations

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