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I used to apply the 30% rule, and for out of shape adults it works pretty well. But I worked with teenage males, ranging from the 70 lb dripping wet grade 7 to the 160 lb lean as a rake grade 12 j...
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I used to apply the 30% rule, and for out of shape adults it works pretty well. But I worked with teenage males, ranging from the 70 lb dripping wet grade 7 to the 160 lb lean as a rake grade 12 j...