document.write( "Question 110959This question is from textbook Algebra and Trigonometry
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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?
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document.write( "How do I set up this problem? \n" );
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Algebra.Com's Answer #80934 by scott8148(6628) You can put this solution on YOUR website! time=distance/rate ... let x=\"distance @ 45\", so 150-x=\"distance @ 75\" ... 2hr40min=2 2/3 = 8/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x/45)+((150-x)/75)=8/3 \n" ); document.write( " |