document.write( "Question 110959This question is from textbook Algebra and Trigonometry
\n" ); document.write( ": Sharon drove for part of a 150 km trop at 45 km/h and the rest of the trop at 75km/h. How far did she drive at each speed if the entire trip took her 2 hours 40 min?
\n" ); document.write( "How do I set up this problem? \n" ); document.write( "

Algebra.Com's Answer #80936 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"t%5Ba%5D+%2B+t%5Bb%5D+=+t\"$
\n" ); document.write( " $\"d%5Ba%5D%2Fr%5Ba%5D+%2B+d%5Bb%5D+%2Fr%5Bb%5D+=+t\"$
\n" ); document.write( " $\"d%5Bb%5D+=+150+-+d%5Ba%5D\"$
\n" ); document.write( "I put all the times in minutes and rates in terms
\n" ); document.write( "of km/min. 2 hrs 40 min = 160 min
\n" ); document.write( " $\"d%5Ba%5D+%2F+%2845%2F60%29+%2B+%28150+-+d%5Ba%5D%29+%2F+%2875%2F60%29+=+160\"$
\n" ); document.write( " $\"d%5Ba%5D+%2F+%283%2F4%29+%2B+%28150+-+d%5Ba%5D%29+%2F+%285%2F4%29+=+160\"$
\n" ); document.write( " $\"4%2Ad%5Ba%5D+%2F+3+%2B+4%2A%28150+-+d%5Ba%5D%29+%2F+5+=+160\"$
\n" ); document.write( " $\"5%2A4%2Ad%5Ba%5D+%2B+3%2A4%2A%28150+-+d%5Ba%5D%29+=+3%2A5%2A160\"$
\n" ); document.write( " $\"20%2Ad%5Ba%5D+%2B+1800+-+12%2Ad%5Ba%5D+=+2400\"$
\n" ); document.write( " $\"8%2Ad%5Ba%5D+=+600\"$
\n" ); document.write( " $\"d%5Ba%5D+=+75\"$ km answer
\n" ); document.write( "and
\n" ); document.write( " $\"d%5Bb%5D+=+150+-+d%5Ba%5D\"$
\n" ); document.write( " $\"d%5Bb%5D+=+75\"$ km answer
\n" ); document.write( " She drove 75 km both parts of trip \n" ); document.write( "

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