Production 80661

The production of 4 machines takes a total of 80 hours. They make every machine for the same amount of time. How long does it take to produce 1 machine, 2 machines, or 5 machines?

Correct answer:

a =  20 h
b =  40 h
c =  100 h

Step-by-step explanation:

a=80/4=20 h
b=2 a=2 20=40 h
c=5 a=5 20=100 h



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arithmeticUnits of physical quantitiesGrade of the word problem

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