document.write( "Question 1087560: There are fifty students in a class. In a 100 marks exam, 20 students scored less than 30 marks, 5 students scored more than 70 marks and the remaining scored between 30 and 70 marks. If passing score is 55 marks and 40% students have passed the test, what is the percentage of students who scored between 55 and 70? \n" ); document.write( "
Algebra.Com's Answer #701892 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! There are fifty students in a class. \n" ); document.write( "In a 100 marks exam, 20 students scored less than 30 marks, 5 students scored more than 70 marks and the remaining scored between 30 and 70 marks. \n" ); document.write( " If passing score is 55 marks and 40% students have passed the test, what is the percentage of students who scored between 55 and 70? \n" ); document.write( ": \n" ); document.write( ".40(50) = 20 students passed (above 55) \n" ); document.write( "5 of those 20 students scored above 70 \n" ); document.write( "therefore 15 students scored between 55 and 70 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |