During a particular storm the number m of miles away a bolt

During a particular storm, the number m of miles away a bolt of lightning strikes can be estimated by first counting the number t of seconds between the bolt of lightning and the associated clap of thunder and then dividing by 5. Translate this relationship to a formula. Solve for t in terms of m. If lightning strikes 2.5 miles away, how many seconds will elapse before the thunder is heard?

Solution

No. of miles = m

time between bolt of light and clap of thunder =t

So, m = t/5

t = 5*m

m = 2.5 miles ; find t

t = 5*2.5 = 12.5 sec