A jar contains only red and blue marbles in a ratio of 8:2. If there are 12 blue marbles, how many red marbles are there?
- A. 48 ✓
- B. 56
- C. 12
- D. 60
Correct answer
A. 48
Explanation
The ratio 8:2 means for every 2 blue marbles there are 8 red. 12 blue ÷ 2 = 6 groups, so red marbles = 8 × 6 = 48.
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