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Six math classroom workbooks p 14 answers
Method 1: Let bag A be called X and bag B be called Y..

2/3x=3/4y

Therefore, x:y=3/4:2/3=9:8.

Supplement:

Because y= 16kg

So x: 16kg=9:8.

Therefore, x= 18kg.

That is, the weight of the nail bag is 18kg.

600X7=4200 cm

4200 cm =42 m

Method 2:

600: 1=x:7

x=4200

4200 cm = 42 m