Question

M=t4.5 gives the approximate distance, M, in miles, from a lightning strike if it takes t seconds to hear the thunder after seeing the lightning. If you are 5.1 miles away from the lightning flash, how long will it take the sound of the thunder to reach you.

Answer 1

1.13 seconds

Explanation:

M = t x 4.5

5.1 = t x 4.5

/4.5 /4.5

t = 1.13 seconds