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January 28, 2015

January 28, 2015

Posted by **kit** on Thursday, January 24, 2008 at 9:32pm.

- algebra -
**Reiny**, Thursday, January 24, 2008 at 10:24pmthe time for the first trip was x/60 hrs

the time for the second trip was 2x/80

so the total time was x/60 + 2x/80

=10x/240

= x/24 hours

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