Question

Your distance from a lightning strike can be calculated by how quickly you hear the sound of the thunder which travels 1mile every 5 seconds. If you see a lightning flash and count to 35 before hearing the thunder how far away are you from lightning

I need help ASAP or ima fail

Answer 1

1 mile ............ 5 seconds

x miles ........35 seconds

x = 1×35/5 = 35/5 = 7 miles