Question: James buys 3 CDs. Two of them are 1.5 hours each. The last one is twice that long. What is the combined length of the CDs? Think carefully first, then make a decision:
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The long CD is 1.5 * 2 = 3 hours. The two shorter CDs have a combined length of 1.5 * 2 = 3 hours. So in total the CDs had a length of 3 + 3 = 6 hours. So the answer is 6.
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