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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?

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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:

  1. Determine the current ages of the family members after two years.
  2. 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: Increase in total ages=6×2=12 \text{Increase in total ages} = 6 \times 2 = 12 So, the sum after two years would be: New sum after two years=220+12=232 \text{New sum after two years} = 220 + 12 = 232

Step 2: Accounting for the Death
One member aged 60 dies: Sum after death=23260=172 \text{Sum after death} = 232 - 60 = 172

Step 3: Adding the New Member
A new child is born, who contributes 0 to the sum of ages initially, so the sum remains: Final sum of ages=172+0=172 \text{Final sum of ages} = 172 + 0 = 172

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.

This problem has been solved

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