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
Answers
Answered by
8
Answer:
18y.o.
Step-by-step explanation:
Total Average= 15
Total Age= 15x3=45
Total Age-2 sisters= 45-12-15
=18y.o.
Answered by
0
Answer:
answer is 18
Step-by-step explanation:
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 18 years
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