document.write( "Question 246049: A quiz had only 3-point questions and 4-point questions. The best possible score is 100 and there are 29 questions. How many 4-point questions are there? \n" ); document.write( "
Algebra.Com's Answer #179711 by nerdybill(7384) You can put this solution on YOUR website! A quiz had only 3-point questions and 4-point questions. The best possible score is 100 and there are 29 questions. How many 4-point questions are there? \n" ); document.write( ". \n" ); document.write( "Let x = number of 4-point questions \n" ); document.write( "then \n" ); document.write( "29-x = number of 3-point questions \n" ); document.write( ". \n" ); document.write( "4x + 3(29-x) = 100 \n" ); document.write( "4x + 87 - 3x = 100 \n" ); document.write( "x + 87 = 100 \n" ); document.write( "x = 13 (number of 4-point questions) \n" ); document.write( " |