Number n is 25 less than 120 percent of itself. What is the value of n ?
Correct answer: A. 125
- A. 125
- B. 120
- C. 105
- D. 90
Explanation
Start by translating the sentence into an equation: n = 120% * n - 25 We can simplify 120% as 1.2: n = 1.2n - 25 Now we can solve for n: n - 1.2n = -25 -0.2n = -25 n = (-25) / (-0.2) n = 125 Therefore, the value of n is 125.
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About Quantitative Reasoning
Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
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