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March 6, 2015

March 6, 2015

Posted by **Anonymous** on Thursday, September 25, 2008 at 6:11pm.

- math -
**bobpursley**, Thursday, September 25, 2008 at 6:31pmwell, vanessa worked for four days, so she did 4/12 of the job (1/3).

So in the two-thirds left

time=jobleft/rate

where jobleft is 2/3 job and

rate=vanessarate + susan rate or

jobleft/2days=job/12days + susanrate

or 2/3 job/ 2= job/12 + susan rate or

susan rate= 2/6-1/12= 3/12=

susan rate= 1job/4days

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