Cords joining

Mum needs six cords 360 cm long. How many does she need when they are sold at 9 meters and does not want to join it up?

Final Answer:

n =  3

Step-by-step explanation:

l1=360 cm m=360:100  m=3.6 m l2=9 m  a=l2/l1=9/3.6=2 n=6/a=6/2=3



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arithmeticnumbersUnits of physical quantitiesGrade of the word problem

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