13. Two parcels together weigh 12 - Kg. The weight of one parcel is 6 - Kg. What is the
weight of the other parcel?
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Answer:
6 kg
Step-by-step explanation:
parcel 1= x
parcel 2 = y
x+y = 12kg
6+y = 12kg
y = 12-6. kg
y = 6 kg
parcel 2 = 6kg
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