A jar contains only red and blue marbles in a ratio of 8:2. If there are 14 blue marbles, how many red marbles are there?
- A. 64
- B. 14
- C. 70
- D. 56 ✓
Correct answer
D. 56
Explanation
The ratio 8:2 means for every 2 blue marbles there are 8 red. 14 blue ÷ 2 = 7 groups, so red marbles = 8 × 7 = 56.
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