The
ages of these sisters are 12
year 15. years and 18 years Find the
average age What will be three
average age after 3 years?
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1
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Answer:
- The average will be 18
Step-by-step explanation:
Because after three years thier ages will be 15,18,and 21
To find average
AVERAGE = SUM OF TERMS
TOTAL NO. TERMS
= 15+18+21
3
= 54
3
= 18
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