Question

During one year the population of a town increased by 5%. The other
year it decreased by 5%. If the population at the end of the
secon year is 9975. What was the orignal population.​

Answer 1

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Let the size of population at the beginning = x

Then x × 105/100 × 95/100 = 9975

=> x = 9975×100×100 / 105×95

=> x = 9975×100×100 / 9975

=> x = 10000

The original population was 10000.(Answer).

Step-by-step explanation:

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