document.write( "Question 715119:
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document.write( "Your math test has 38 questions and is worth 200 points. The test consists of multiple-choice questions worth 4 points each and open-ended questions worth 20 points each. How many of each type of question are there? \n" );
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Algebra.Com's Answer #439218 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=38 \n" ); document.write( "X=38-Y \n" ); document.write( "4X+20Y=200 \n" ); document.write( "4(38-Y)+20Y=200 \n" ); document.write( "152-4Y+20Y=200 \n" ); document.write( "16Y=200-152 \n" ); document.write( "16Y=48 \n" ); document.write( "Y=48/16 \n" ); document.write( "Y=3 20 POINT QUESTIONS. \n" ); document.write( "X+3=38 \n" ); document.write( "X=38-3 \n" ); document.write( "X=35 4 POINT QUESTIONS. \n" ); document.write( "PROOF: \n" ); document.write( "4*35+20*3=200 \n" ); document.write( "140+60=200 \n" ); document.write( "200=200 \n" ); document.write( " |