Man Wrinkle spent one-fourth of his life as a boy, one-eighth as a youth, and one-half as an active man. If Man Wrinkle spent 8 years as an old man, then how many years did he spend as an active man?
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LET total number of years he lived be x so we can get an equation as x/4 + x/8 + x/2 + 8 = x . Solve for X