Two and three-fifths of a number equals −26 . What is the number?
Correct answer: B. -10
- A. -15
- B. -10
- C. -5
- D. 10
Explanation
To solve the equation 2 ⅗ * n = -26, convert the mixed number to an improper fraction: 13/5 * n = -26. By substituting -10 into the equation, we get 13/5 * -10 = -26, which satisfies the equation. Hence, Option B is correct. Options A, C, and D are incorrect as they do not result in -26 when substituted into the equation.
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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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