SOLUTION: hello i really need help, this is the problem: In 2 ​minutes, a conveyor belt moves 100 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller bel
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Question 1111746: hello i really need help, this is the problem: In 2 minutes, a conveyor belt moves 100 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt moves the same quantity of cans the same distance in 9 minutes. If both belts are used, find how long it takes to move the cans to the storage area.
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Move 100 cans is 1 job.
, their combined rate
OR
HOURS per JOB
1 HOUR and 38 MINUTES
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
For parallel work, parallel flow, parallel resistors, etc.
------------
EG: 9 & 2
Use product/sum
= 18/11
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