Question
Asked Nov 6, 2019
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Machine A can assemble a product in 4 hours while machine B can assemble the same product in 3 hours. How long (in hr) does it take to assemble the product if both machines work together? (Enter an exact number as an integer, fraction, or decimal.)

 hr

 

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Expert Answer

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Machine A and B can wo...

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1 1 and , respectively 3 4

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