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July 23, 2014

July 23, 2014

Posted by **David** on Tuesday, December 4, 2012 at 2:39am.

- math -
**Reiny**, Tuesday, December 4, 2012 at 7:53amrate of larger belt = 300/2 = 150

rate of smaller belt = 300/6 = 50

combined rate = 150+50=200

time at combined rate = 300/200 = 1.5

it will take 1.5 minutes.

- math -
**justin**, Tuesday, December 4, 2012 at 1:51pmThank you.

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