SOLUTION: You have scored 75, 79, 78, and 78 in four test out of five test. You want to score an overall B (grade). You have the fifth test to pull up your score. How much minimum should you

SOLUTION: You have scored 75, 79, 78, and 78 in four test out of five test. You want to score an overall B (grade). You have the fifth test to pull up your score. How much minimum should you

Algebra.Com

Question 270737: You have scored 75, 79, 78, and 78 in four test out of five test. You want to score an overall B (grade). You have the fifth test to pull up your score. How much minimum should you score in the fifth test so that you raise your average to 80( get an overall B grade).
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(75+79+78+78+x)/5=80
(310+x)/5=80
310+x=80*5
x=90
RELATED QUESTIONS
You have scored 75,79,78,and 78 in four test out of five tests. You want to score an... (answered by stanbon)

You have four scores of 82, 78, 90, and 70. What do you need to get on the fifth test in... (answered by richwmiller)

If your first four test scores have been 89, 79, 75, and 81, what will you have to... (answered by checkley79)

An average of 80 is needed to obtain a grade of B in this course. Suppose your grades... (answered by richard1234)

You will have five tests this marking period. Your test grades so far are: 78, 89, 91, &... (answered by ankor@dixie-net.com)

In your Economics 101 class,you have scores of 68, 82, 87, and 89 on the first four of... (answered by mananth)

to pass a course with a b grade , a student must have an average of 80 points on five... (answered by josmiceli)

In your Economics 101 class, you have scores of 68, 82, 87, and 89 on your first four of... (answered by timofer)

 In your class, you have scores of 78,91,95, and 92, on the first four... (answered by ikleyn)