document.write( "Question 1017637: In a multiple choice test, two marks are given for each correct answer and one mark is deducted for every incorrect answer. If a pupil answers 20 questions and gets 25 marks, how many correct answers were there \n" ); document.write( "
Algebra.Com's Answer #633896 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a multiple choice test, two marks are given for each correct answer and one mark is deducted for every incorrect answer. If a pupil answers 20 questions and gets 25 marks, how many correct answers were there \n" ); document.write( "----- \n" ); document.write( "c + w = 20 questions \n" ); document.write( "2c- w = 25 marks \n" ); document.write( "--------------- \n" ); document.write( "Add and solve for \"c\" \n" ); document.write( "3c = 45 \n" ); document.write( "c = 15 (# of correct answers) \n" ); document.write( "------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------- \n" ); document.write( " |