In 1854, during the California gold rush, each ounce of gold was worth $20, and the largest known mass of gold found in California was worth $62,400 in that year. What was the weight, in pounds, of this mass of gold?
Correct answer: C. 195
- A. 188
- B. 190
- C. 195
- D. 198
Explanation
The correct answer is 195. Since the mass of gold was worth $62,400 and each ounce of gold was worth $20, the mass of the gold was 62,400 / 20 = 3120 ounces. Since 1 pound = 16 ounces, 3120 ounces is equivalent to 3120 / 16 = 195 pounds.
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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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