Asked by marlon
A machine can cap 1,800 bottles in one hour; another can cap 1,700 bottles an hour. There are 20,000 bottles to be capped. How long will it take the 2 machines to do the capping together?
Answers
Answered by
Steve
together they can cap 3500 bottles/hr
so, it will take them 20000/3500 hours
so, it will take them 20000/3500 hours
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