A jar contains only red and blue marbles in a ratio of 8:6. If there are 36 blue marbles, how many red marbles are there?

Correct answer

D. 48

Explanation

The ratio 8:6 means for every 6 blue marbles there are 8 red. 36 blue ÷ 6 = 6 groups, so red marbles = 8 × 6 = 48.

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