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Catherine's present age is two-thirds of Criselda's present age. In twelve years, the sum of their ages will be 54 years. Find their present agesf

Sagot :

catherine's present age is 12 years old while criselda's present age is 18 years old.
checking:
12=2/3(18)
12=12
(12+12)+(18+12)=54
24+20=54
54=54