document.write( "Question 552555: a man completes a trip of 136 km in 8 hours some part of the trip was covered at 15 km/hr & remaining at 18 km/hr find the part of the trip covered at 18 km/hr. \n" ); document.write( "
Algebra.Com's Answer #360388 by Alan3354(69443)\"\" \"About 
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a man completes a trip of 136 km in 8 hours some part of the trip was covered at 15 km/hr & remaining at 18 km/hr find the part of the trip covered at 18 km/hr.
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\n" ); document.write( "t = time at 18 km/hr
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\n" ); document.write( "t*18 + (8-t)*15 = 136
\n" ); document.write( "Solve for t
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