bryantjwright bryantjwright

Today at 8:43 PM
Mathematics

Answered

On the production line, it takes John 2 minutes less time than Mark to assemble a watch. Working together they can assemble 5 watches in 12 minutes. How long does it take John to assemble a watch working alone?

Answer :

carrah13 carrah13

Today at 8:49 PM

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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