document.write( "Question 1112395: An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How many two-point questions are on the test? How many five-point questions are on the test? Write a linear system of equations that can be used to solve this problem. Please help. Thank you! \n" ); document.write( "
Algebra.Com's Answer #727408 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x are two point and 50-x are 5 point questions \n" ); document.write( "2x+5(50-x)=145; point value* number of questions=145 \n" ); document.write( "2x+250-5x=145 \n" ); document.write( "-3x=-105 \n" ); document.write( "x=35 2 point questions or 70 points \n" ); document.write( "50-x=15 5 point questions or 75 points. Total is sum or 145 points. \n" ); document.write( " |