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September 15, 2014

September 15, 2014

Posted by **alex** on Tuesday, November 18, 2008 at 10:09pm.

- math -
**bobpursley**, Tuesday, November 18, 2008 at 10:11pmjanet rate: 1task/9hrs

jancie rate: 1task/10hrs

combinded rate=1task/hr (1/9+1/10)

timecombined=1task/combinded rate

careful with the fractions.

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