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21-09-2016
Mathematics

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the assembly of a machine takes 3/4 hour. There are twelve steps in the assembly process. what is the average time for each step?

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tcehcrhistie tcehcrhistie

21-09-2016

3minutes 45seconds
3/4h = 45minutes
45minutes/12 = 3.75
3.75=15/4=3minutes 45 seconds

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