document.write( "Question 270194: You are taking a course that has 4 tests. The first 3 tests are 100 points each and the fourth test is 200 points. To get an A in the course, you must have an average of at least 90% on the four tests. Your scores on the first three tests were 87,92,and 84. What must you score on the 4th test to get an A for the course? \n" ); document.write( "
Algebra.Com's Answer #197959 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! The total points are 300 + 200 = 500. \n" ); document.write( "90% of 500 = 450 points \n" ); document.write( "--- \n" ); document.write( "The 3 scores are: 87, 92,and 84 which sum to 263. \n" ); document.write( "450 - 263 = 187. \n" ); document.write( "--- \n" ); document.write( "You must scores 187 out of 200 on the fourth test to get an A. \n" ); document.write( " |