During the approach of a severe thunderstorm, workers on a project see lightning and then hear the resulting thunder 55 s later. Approximately how far away, in miles, is the storm?
A) 11 mi
B) 22 mi
C) 12 mi
D) 13 mi

Question

Quizplus · Accepted Answer

Sound travels approximately 1 mile in 5 seconds. If the thunder is heard 55 seconds after the lightning is seen, the storm is approximately 11 miles away (55 seconds / 5 seconds per mile = 11 miles).

During the Approach of a Severe Thunderstorm, Workers on a Project