SOLUTION: You scored: 65 and 75 on the first two tests. What do you need to score on the next test to get an average of 71?

Algebra.Com
Question 1008753: You scored: 65 and 75 on the first two tests. What do you need to score on the next test to get an average of 71?

Answer by fractalier(6550)   (Show Source): You can put this solution on YOUR website!
If we call x your third test score, then we can write
(65 + 75 + x) / 3 = 71
140 + x = 213
x = 73 points

RELATED QUESTIONS

Max scored 71 and 65 on his first two tests in Biology 101. What is the lowest he must... (answered by math_helper,ikleyn)
Josh has scored 65, 71, and 91 on his last three tests. what score must he get on his... (answered by oberobic,Gurukool)
Melinda scored 84%, 75% and 77% on her first three tests of the term. What score will she (answered by Boreal,ewatrrr)
Margaret scored 55 points and 65 points on her first two tests on MAT 171. What must she... (answered by ikleyn,greenestamps)
An average of 80 is needed to obtain a grade of B in this course. Suppose your grades... (answered by richard1234)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by addingup)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by greenestamps)
Suppose that you are taking a course that has 4 tests. The first three tests are for 100... (answered by josmiceli)
Dear tutor, i need help on filling in the blanks and understanding how to do it. Thank... (answered by ankor@dixie-net.com)