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Fred is an old man. He lived one-eighth of his life as a boy, one-twelfth as a youth, one-half as a man and has psent 28 years in his old age. How old is Fred now?

  • Math -

    what is psent?

  • Math -


    x/8 + x/12 + x/2 + 28 = x

    multiply each term by 48 ....etc

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