A machine which cuts a ribbon into pieces of 10 meters takes 10 seconds to make a single cut.How long will it take to completely cut into pieces a ribbon 3 km long?
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time taken by the machine to cut a ribbon of 1 m=10/10=1 sec
now we'll convert 3km into m=1000*3
=3000.
time taken by the machine to cut 3000m ribbon=3000/1=3000sec.
now let's convert the given time in mins 3000/60=50mins.
now we'll convert 3km into m=1000*3
=3000.
time taken by the machine to cut 3000m ribbon=3000/1=3000sec.
now let's convert the given time in mins 3000/60=50mins.
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