SOLUTION: Sound travels 5400 feet in 5 seconds. A streak of lightning hits in the distance and edward hears it crash 80 second later. Using the estimate given, how many miles from Edward d

Question 56974: Sound travels 5400 feet in 5 seconds. A streak of lightning hits in the distance and edward hears it crash 80 second later. Using the estimate given, how many miles from Edward did the lightning crash? Express your answer as a mixed number. Solve and explain your answer
Found 2 solutions by checkley71, funmath:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
5400/5=x/80
5x=432000
x=432000/5
x=86,400 feet or
86,400/5280=16 12/33 miles.
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Sound travels 5400 feet in 5 seconds. A streak of lightning hits in the distance and edward hears it crash 80 second later. Using the estimate given, how many miles from Edward did the lightning crash? Express your answer as a mixed number. Solve and explain your answer
The speed of sound is: (5400 ft)/(5 s)=1080 ft/s
The formula for distance is: , where d=distance, r=rate(or speed), t=time
Given:
r=1080 ft/s
t=80 s
The distance that Edward is from the lightning is:

Unfortunately, you need to know how many miles that is. There are 5,280 ft in a mile.

We have to express this as a mixed number, so:
d=16 4/11 mi
There's a lot of places to mess this up, double check everything.
Happy Calculating!!!

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