Science Bowl Question

📅 NSB MS 2014🎓 MS🔄 Round 9#️⃣ Question 3❓ TOSS-UP📝 Multiple Choice

A jar contains only red marbles and green marbles. If a marble is selected at random from the jar, the probability that a red marble will be selected is 2/3. If there are 36 green marbles in the jar, how many red marbles are there in the jar?

W) 18
X) 24
Y) 54
Z) 72
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