document.write( "Question 240732: The stopping distance of (s) of a car varies directly as the square of it's speed (v). If a car traveling at 30 mph requires 63 ft to stop, find the stopping distance for a car traveling at 50 mph.\r
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Algebra.Com's Answer #176544 by ankor@dixie-net.com(22740)\"\" \"About 
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The stopping distance of (s) of a car varies directly as the square of it's speed (v).
\n" ); document.write( "If a car traveling at 30 mph requires 63 ft to stop,
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\n" ); document.write( "find the stopping distance for a car traveling at 50 mph.
\n" ); document.write( "s = stopping dist at 50 mph
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\n" ); document.write( "\"63%2Fs\" + \"30%5E2%2F50%5E2\"
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\n" ); document.write( "\"63%2Fs\" + \"900%2F2500\"
\n" ); document.write( "cross multiply
\n" ); document.write( "900s = 63*2500
\n" ); document.write( "s = \"157500%2F900\"
\n" ); document.write( "s = 175 ft
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