SOLUTION: Test 1- 65 Test 2- 83 Test 3- 81 Test 4- ? You're headed into Test 4, the final grade for the semester. Is it possible for you to earn a B grade (85% or better) ?

Question 646534: Test 1- 65
Test 2- 83
Test 3- 81
Test 4- ?
You're headed into Test 4, the final grade for the semester. Is it possible for you to earn a B grade (85% or better) ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Test 1- 65
Test 2- 83
Test 3- 81
Test 4- ?
You're headed into Test 4, the final grade for the semester. Is it possible for you to earn a B grade (85% or better) ?
-------
Let the 4th test score be "x".
----
Equation:
(65+83+81+x)/4 = 85
-----
(229+x) = 4*85 = 340
--------------------------
x = 340-229 = 111
====
Looks like you cannot average 85 for the 1st 4 exams.
==================
Cheers,
Stan H.
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