document.write( "Question 1115839: Kenneth made a business trip of 260
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document.write( "260
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document.write( " miles. He averaged 61mph
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document.write( "61
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document.write( "mph
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document.write( " for the first part of the trip and 46mph
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document.write( "46
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document.write( "mph
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document.write( " for the second part. If the trip took 5
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document.write( "5
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document.write( " hours, how long did he travel at each rate?
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document.write( "
Algebra.Com's Answer #730673 by stanbon(75887) ![]() You can put this solution on YOUR website! Kenneth made a business trip of 260miles. \n" ); document.write( "He averaged 61mph for \n" ); document.write( "the first part of the trip and 46mph \n" ); document.write( "for the second part. If the trip took 5 \n" ); document.write( "5 hours, how long did he travel at each rate? \n" ); document.write( "---- \n" ); document.write( "1st part DATA: \n" ); document.write( "rate = 61 mph ; time = x hrs ; distance = 61x miles \n" ); document.write( "2nd part DATA \n" ); document.write( "rate = 46 mph ; time = 5-x hrs ; distance = 46(5-x) miles \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "61x + 46(5-x) = 260 miles \n" ); document.write( "------ \n" ); document.write( "61x + 230 - 46x = 260 \n" ); document.write( "15x = 30 \n" ); document.write( "x = 2 hrs at 61 mph \n" ); document.write( "x-5 = 3 hrs at 46 mph \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |