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colonel000Posted - 30 July 2001 20:16  Show Profile
how can i solve this?
A and B can build a wall in 24 hrs. After A worked 7 hrs, B helped A and both together finished the rest of the work in 20 hours. ¿How long does it takes to each one to make the work?
godsdiamond Posted - 24 June 2006 12:57  Show Profile
Do you think that you could help me with some Algebra! And maybe helping me with comprehending some of the Science problems? It would be such a great help!</P><P>Thanx

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