document.write( "Question 646760: two cars, which are 424 miles apart and whose speeds differ by 8 miles per hour, are moving toward each other. If they meet in 4 hours, find the speed of each car. \n" ); document.write( "
Algebra.Com's Answer #405960 by ankor@dixie-net.com(22740)\"\" \"About 
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two cars, which are 424 miles apart and whose speeds differ by 8 miles per
\n" ); document.write( " hour, are moving toward each other.
\n" ); document.write( " If they meet in 4 hours, find the speed of each car.
\n" ); document.write( ":
\n" ); document.write( "Let s = the speed of the slower car
\n" ); document.write( "then
\n" ); document.write( "(s+8) = speed of the faster
\n" ); document.write( ":
\n" ); document.write( "Write a distance equation: dist = time * speed
\n" ); document.write( "4s + 4(s+8) = 424
\n" ); document.write( "4s + 4s + 32 = 242
\n" ); document.write( "8s = 424 - 32
\n" ); document.write( "8s = 392
\n" ); document.write( "s = 392/8
\n" ); document.write( "s = 49 mph is the slower car
\n" ); document.write( "then
\n" ); document.write( "49+8 = 57 mph is the faster car
\n" ); document.write( ":
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\n" ); document.write( "Check this; find the dist traveled by each car
\n" ); document.write( "4(49) = 196 mi
\n" ); document.write( "4(57) = 228 mi
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\n" ); document.write( "total d: 424 mi
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