Distance of Lightning from Sound:346m/s

[priya.padma]

The sound of a thunder is heard 3 seconds after the lightning. If the speed of sound is 346 m/s find the distance from where the lightning occurred?

 

[arkofnoah]

the speed of light is 3 x 10^8 m/s

let the distance be x m, and then come out with a simultaneous equation.