A jar contains only red and blue marbles in a ratio of 4:2. If there are 16 blue marbles, how many red marbles are there?
- A. 36
- B. 48
- C. 32 ✓
- D. 16
Correct answer
C. 32
Explanation
The ratio 4:2 means for every 2 blue marbles there are 4 red. 16 blue ÷ 2 = 8 groups, so red marbles = 4 × 8 = 32.
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