Question

the weight of the mother and her child is 70 kg. the weight of the father and the child is 90 kg. the the weight of the father and the mother is together 120 kg. what what is the combine weight of the family?​

Answer 1

Answer:

mother weight is m

child weight is c

father. weight is f

m+c=70

1. f+c=90
2. f-m=20
3. m+f=120
4. 2f=140
5. f=70
6. c=20
7. m=50
8. f+c+m=140