Ali has three times as many marbles as Bilal. Ali gives 8 marbles to Bilal, and then they have equal numbers. How many marbles did they have altogether at first?
Correct answer: B. 32 marbles
- A. 24 marbles
- B. 32 marbles
- C. 40 marbles
- D. 48 marbles
Explanation
If Bilal had x, Ali had 3x. After the transfer, 3x − 8 = x + 8, so x = 8. Their original total was 8 + 24 = 32.
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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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