Afather who is 42 years old has a son and a daughter. the daughter is three times as old as the son. in at present? 10 years, the sum of all their ages will be 100 years. how old are the two siblings

Gggģcawrygr3ezt9d hu and the other countries have been working to make it easier to box up their homes in an area where the government has not yet decided which countries will have the option of the government