My question is: In eight years, Mr. Bernard will be 3 times as old as Luke is now. If Luke is 20, what is 10 years less than their average age? Your thoughts:
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If Luke is 20, he will be 20 + 8 = 28 years old in eight years. In eight years, Mr. Bernard will be 3 times as old as Luke is now, a total of 3 * 20 = 60 years old. Mr. Bernard is now 60 - 8 = 52 years old. The sum of their current ages is 52 + 20 = 72. Their average age is 72 / 2 = 36. 10 less than their average age is 36 - 10 = 26 years. The final answer: 26.
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