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Mariana [72]
3 years ago
13

On the production line, it takes John 2 minutes less time than Mark to assemble a watch. Working together they can assemble 5 wa

tches in 12 minutes. How long does it take John to assemble a watch working alone?
Mathematics
1 answer:
tangare [24]3 years ago
7 0
12÷5=2.4 
2.4 minutes per watch together 
so it takes john about 0.4 seconds to assemble a watch alone

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