Papers Sample 2012/M.Sc. Mathem… · 10. 11. 12. 13. /7-A Two workers live in the same house and...
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Papers Sample 2012/M.Sc. Mathem… · 10. 11. 12. 13. /7-A Two workers live in the same house and walk to work everyday. The older worker takes 30 minutes to walk to work, and the