document.write( "Question 668681: Laura wants to get an A in her math class. To earn an A in the course, she must average a score of 90 on the 5 exams. Laura has taken 4 exams and averaged 87.75 points on them. How many points does she need to score on the fifth exam to earn an A in the course? \n" ); document.write( "
Algebra.Com's Answer #415762 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! 4 * 87.75 = 351 total points so far.\r \n" ); document.write( "\n" ); document.write( "In order to get a 90 she must get 5*90 = 450 points total.\r \n" ); document.write( "\n" ); document.write( "So she must get 450-351 = 99 on the last test. \n" ); document.write( " |