document.write( "Question 1201636: One conveyor belt can move 1000 boxes in 11 minutes. Another can move 1000 boxes in 3 minutes. If another conveyor belt is added and all three are​ used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same​ job?\r
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Algebra.Com's Answer #836101 by josgarithmetic(39617)\"\" \"About 
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