Aaron, Henry's brother, is 15 years old. Henry's sister is three times as old as Aaron. Henry is four times as old as his sister. What's the combined age of the siblings? Let's think step by step and output the final answer after "####".
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If Aaron is 15 years old, and his sister is 3 times as old as him, then the sister is 3*15 = <<15*3=45>>45 years old.
Together, Aaron and his sister have a total age of 45+15 = <<45+15=60>>60 years
Henry is four times as old as the sister, meaning he is 45*4 = <<45*4=180>>180 years old.
The three siblings together have a total age of 60+180 = <<60+180=240>>240 years
#### 240
Aaron, Henry's brother, is 15 years old. Henry's sister is three times as old as Aaron. Henry is four times as old as his sister. What's the combined age of the siblings?
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