SOLUTION: You will have five tests this marking period. Your test grades so far are: 78, 89, 91, & 95. What must you earn on the fifth test to have a test grade average of 89?
Question 825895: You will have five tests this marking period. Your test grades so far are: 78, 89, 91, & 95. What must you earn on the fifth test to have a test grade average of 89? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! 78, 89, 91, & 95. What must you earn on the fifth test to have a test grade average of 89?
let x = the 5th grade = 89
multiply both sides by 5, add test scores
353 + x = 445
you should be able to handle this now
