A jar contains only red and blue marbles in a ratio of 8:4. If there are 24 blue marbles, how many red marbles are there?
- A. 56
- B. 48 ✓
- C. 72
- D. 24
Correct answer
B. 48
Explanation
The ratio 8:4 means for every 4 blue marbles there are 8 red. 24 blue ÷ 4 = 6 groups, so red marbles = 8 × 6 = 48.
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