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The population of two parts of a town i.e., the upper and the lower parts of a town were equal. After the former had fallen 20 per cent and the latter has risen by 15 per cent, the total number of inhabitants was 39390. What was the population of each part of first?
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The population of two parts of a town i.e., the upper and the lower pa...
Given Information:
- Initially, the population of the upper and lower parts of the town was equal.
- After a 20% decrease in the upper part and a 15% increase in the lower part, the total population became 39390.

Let x be the initial population of each part of the town.

Calculating the Population:
- After a 20% decrease in the upper part, the population became 0.8x.
- After a 15% increase in the lower part, the population became 1.15x.
- The total population is the sum of these two parts: 0.8x + 1.15x = 2.8x.

Given Total Population:
- Total population after the changes is 39390.
- Therefore, 2.8x = 39390.
- Solving for x, we get x = 14067.

Population of Each Part:
- The initial population of each part of the town was x = 14067.
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The population of two parts of a town i.e., the upper and the lower parts of a town were equal. After the former had fallen 20 per cent and the latter has risen by 15 per cent, the total number of inhabitants was 39390. What was the population of each part of first?
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