document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179934>Question 1179934</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Justin can run 10 km in the same amount of time that Leo can run 12 km. if Leo can run 1 kph faster than Justin, how fast can Leo run? </SPAN>\n" );
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document.write( "Justin can run 10 km in the same amount of time that Leo can run 12 km. if Leo can run 1 kph faster than Justin, how fast can Leo run?<BR>\n" );
document.write( "let Justin's speed be x km/h<BR>\n" );
document.write( "Leo's speed = x+1 km/h\r<BR>\n" );
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document.write( "Justin's time = 10/x\r<BR>\n" );
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document.write( "Leo's time = 12/(x+1)\r<BR>\n" );
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document.write( "Both times are equal<BR>\n" );
document.write( "10/x = 12/(x+1)\r<BR>\n" );
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document.write( "10(x+1) =12x\r<BR>\n" );
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document.write( "10x +10 =12x<BR>\n" );
document.write( "2x=10<BR>\n" );
document.write( "x= 5  Justin's speed\r<BR>\n" );
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document.write( "Leo's speed = 6 km/h </SPAN>\n" );
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