A software company lays off 40% of its employees. Among the laid-off employees, 20% are developers. The percentage of laid-off developers from the total employees of the company is
5%
8%
10%
4%
Concept: Successive percentage calculation. Explanation: 40% employees are laid off. Among them, 20% are developers. So percentage of total employees: \[ 40\% \times 20% = \frac{40}{100} \times \frac{20}{100} = 8% \]
With the annual average percent increase of 6.05\(\%\), the population of a city becomes 2510823. What was the population of the city one decade back?