Change in Saving with Additional Income

To determine the change in saving when two-thirds of the additional income is always spent on conception, we need to calculate the initial income and then apply the given condition.

Step 1: Calculating the Initial Income
The question states that the current saving is 50%. Let's assume the initial income as 'x'.

Current saving = 50% of the initial income

50% of x = 0.5x

Given that the current saving is 50% of the initial income, we can set up the equation as follows:

0.5x = 50000

Solving for x:

x = 50000 / 0.5

x = 100,000

So, the initial income is $100,000.

Step 2: Calculation of Additional Income
To find the additional income, we need to consider the change in income from the initial income.

The additional income can be calculated as follows:

Additional Income = Current Income - Initial Income

Given that the initial income is $100,000, we need to know the current income to calculate the additional income. Unfortunately, the question does not provide any information about the current income. Therefore, we cannot calculate the additional income accurately.

However, if we assume that the current income is $150,000, we can proceed with the calculations.

Step 3: Applying the Given Condition
The question states that two-thirds of the additional income is always spent on conception. To calculate the change in saving, we need to determine the amount spent on conception and subtract it from the additional income.

Let's assume the additional income as 'y'.

Amount spent on conception = (2/3) * y

Change in saving = additional income - amount spent on conception

Change in saving = y - (2/3) * y

Change in saving = (1 - 2/3) * y

Change in saving = (1/3) * y

Therefore, the change in saving is one-third of the additional income.

Conclusion:
To find the change in saving when two-thirds of the additional income is always spent on conception, we need to calculate the initial income and then apply the given condition. Unfortunately, the question does not provide the current income, making it impossible to calculate the additional income accurately. However, if we assume a current income value, we can calculate the change in saving as one-third of the additional income.