document.write( "Question 267813: The sound travels in an average speed of 340m/s the lightning that comes from a cloud caused by a storm, is obseved almost inmediately. If th sound of lightning comes to our ears about 1.3 minutes after. How far is the storm? \n" ); document.write( "
Algebra.Com's Answer #196436 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
1.3 minutes = 78 seconds
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\n" ); document.write( "That gives you 340 m/sec and 78 seconds.
\n" ); document.write( "Take it from there.
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