A jar contains only red and blue marbles in a ratio of 2:6. If there are 48 blue marbles, how many red marbles are there?

Correct answer

C. 16

Explanation

The ratio 2:6 means for every 6 blue marbles there are 2 red. 48 blue ÷ 6 = 8 groups, so red marbles = 2 × 8 = 16.

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