document.write( "Question 182435: hi i'm having an extreme amount of trouble setting up word problems for linear equations , especially this one .\r
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document.write( "Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each type of question are on the test? \n" );
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Algebra.Com's Answer #136939 by fgwjr2003(2)![]() ![]() ![]() You can put this solution on YOUR website! number of questions___+___value of question___=______total value of question \n" ); document.write( "________x_________+__________2____________=_________2x_______________ \n" ); document.write( "______40-x________x__________4____________=_______4(40-x)_____________ \n" ); document.write( "_____________________________total # of questions_=_____100______________ \n" ); document.write( " 2x + 4(40-x)=100 \n" ); document.write( " 2x + 160 - 4x = 100 \n" ); document.write( " 2x-4x \n" ); document.write( " -2x + 160 = 100 \n" ); document.write( " ____-100_-100 \n" ); document.write( " -2x + 60 = 0 \n" ); document.write( " ____-60_-60 \n" ); document.write( " -2x/-2 = -60/-2 \n" ); document.write( " __x____=___30 \n" ); document.write( " therfore 30-2 pt questions \n" ); document.write( " 40-30 = 10-4pt questions \n" ); document.write( " |