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: \[ 40\% \times 20% = \frac{40}{100} \times \frac{20}{100} = 8% \]
A positive integer $m$ is increased by 20% and the resulting number is 1080. Then the integer $m$ is
If one-fourth of a number exceeds 20% of the number by 10, then the number is