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April 1, 2015

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Posted by **mercy** on Thursday, February 23, 2012 at 7:13pm.

- math -
**MathMate**, Thursday, February 23, 2012 at 11:11pmDistance for second part = x km

Distance for the first part = 440-x km

Total time:

(440-x)/54 + x/80 = 6 hours.

Solve for x.

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