SOLUTION: one conveyor belt requires 20 minutes to fill a large truck with ore. A second conveyor belt requires 30 minutes to fill the same truck with ore. how long would it take if both con
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Question 405131: one conveyor belt requires 20 minutes to fill a large truck with ore. A second conveyor belt requires 30 minutes to fill the same truck with ore. how long would it take if both conveyor belts were working together to fill the truck with ore?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
1/20+1/30=1/x
(30+20)/20*30=1/x
50/600=1/x
50x=600
x=600/50
x=12 hours to fill the truck usung both conveyers.
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