ages of 6 members of a family was 220. After two years, a member died at an age of 60 and a new child is born. What is the sum of ages of the members now?
Question
What is the sum of ages of the members now?
The ages of 6 members of a family was 220.
After two years:
- A member died at an age of 60.
- A new child is born.
What is the sum of ages of the members now?
Solution
1. Break Down the Problem
To find the current sum of ages after the changes in the family, we can break the problem into the following steps:
- Determine the current ages of the family members after two years.
- Account for the death of a member and the birth of a new child.
2. Relevant Concepts
- The initial sum of ages is given as 220.
- After two years, each of the 6 family members will be 2 years older.
- After a member aged 60 dies, the total age will decrease by 60.
- A new child is born, adding 0 to the sum of ages initially.
3. Analysis and Detail
Step 1: Adjusting for the Age Increase
Initial sum of ages = 220
Ages increase by 2 years for each of the 6 members:
So, the sum after two years would be:
Step 2: Accounting for the Death
One member aged 60 dies:
Step 3: Adding the New Member
A new child is born, who contributes 0 to the sum of ages initially, so the sum remains:
4. Verify and Summarize
All calculations have been verified. Initially, the sum of ages was increased by a total of 12 over two years, then reduced by 60 due to a death, and finally, a newborn does not contribute to age sum immediately.
Final Answer
The current sum of ages of the members now is 172.
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