document.write( "Question 259038: My teacher gave us this word problem , please help !\r
\n" ); document.write( "\n" ); document.write( "\"A police accident investigatore can use the formula s=2√5l to estimate the speed s of a car in miles per hour based on the length l in feet of the skid marks it left . How fast was the car traveling that left the skid marks 50 feet long?\r
\n" ); document.write( "\n" ); document.write( " PLEASE HELP ME =/
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Algebra.Com's Answer #190727 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
\"S+=+2%2Asqrt%285%2AL%29\" Substitute L = 50.
\n" ); document.write( "\"S+=+2%2Asqrt%285%2A50%29\"
\n" ); document.write( "\"S+=+2%2Asqrt%28250%29\" Evaluate.
\n" ); document.write( "\"S+=+2%2A%2815.811%29\"
\n" ); document.write( "\"S+=+31.622\"mph.
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