5. The average age of 3 sisters is 15. If the ages of 2
sisters are 12 years and 15 years, the age of the third
sister is
(A) 21 years
(B) 17 years
(C) 18 years
(D) 16 years
Answers
Answered by
2
Answer:
18 is the correct answer
Answered by
1
Answer:
18 Is the correct answer
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