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September 22, 2014

September 22, 2014

Posted by **Cecilia** on Thursday, October 18, 2007 at 9:42pm.

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**Anonymous**, Thursday, October 18, 2007 at 9:50pmD=RT

450=60(8-x)+50x

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**Cecilia**, Thursday, October 18, 2007 at 10:32pmThank you so much for the equation - can u explain why we minus the 8 by x. I know it's the amount of time, can u clarify... thanks again

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**Anonymous**, Thursday, October 18, 2007 at 11:01pmIf I told you Ronald traveled 3 hours after noon, how long did he traveled before noon (given he traveled both before and after noon in 8 hours)?

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**Cecilia**, Thursday, October 18, 2007 at 11:04pm5 hours

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**Anonymous**, Thursday, October 18, 2007 at 11:07pmThat is why it is 8-x. Do you understand?

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**Cecilia**, Thursday, October 18, 2007 at 11:11pmyes i do now - thank you again - i can go to sleep now!! bye thanks

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