During one year, the population of a town increased by 5% and during the next year, the population decreased by 5%. If the total population is 9975 at the end of the second year, then what was the population size in the beginning of the first year ?
Answer
Answer (as printed):
Explanation
Population in the beginning of the first year 9975 20 20 = = 9975 × × = 10000. 5 5 21 19 1 + 1 − 100 100 1
Explanation as extracted from the printed page; notation may be imperfect.