SOLUTION: a woman has a son and a daughter. the woman is twice as old as her son, and the son is twice as old as the daughter. the total of their ages is 91 years. how old is each person

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Question 1018973: a woman has a son and a daughter. the woman is twice as old as her son, and the son is twice as old as the daughter. the total of their ages is 91 years. how old is each person
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
w, s, d, their ages;
system%28w=2s%2Cs=2d%2Cw%2Bs%2Bd=91%29

Substitutions:
2s%2Bs%2Bd=91
3s%2Bd=91
3%2A2d%2Bd=91
7d=91
you continue this solution....