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? Let's think step by step and output the final answer after "####".
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If Luke is 20, he will be 20+8 = <<20+8=28>>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= <<3*20=60>>60 years old.
Mr. Bernard is now 60-8= <<60-8=52>>52 years old
The sum of their current ages is 52+20 = <<52+20=72>>72
Their average age is 72/2 =<<72/2=36>>36
10 less than their average age is 36-10 = <<36-10=26>>26 years.
#### 26
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?
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