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Posted by on Wednesday, April 20, 2011 at 8:28pm.

Sally's grandfather is 67 and Sally is 19. At what age will Sally be exactly 1/3 of her grandfathers age? How old will her grandfather be then?

  • Math - , Thursday, April 21, 2011 at 2:33pm

    In x years:
    19+x=(67+x)/3
    solve for x.

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