SOLUTION: If a student missed 6 prob on test and got 86% how many questions were on test

Algebra ->  Average -> SOLUTION: If a student missed 6 prob on test and got 86% how many questions were on test       Log On


   



Question 949185: If a student missed 6 prob on test and got 86% how many questions were on test

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28T-6%29%2FT=86%2F100
100%28T-6%29=86T
100T-600=86T
100T-86T=600
14T=600
T=600%2F14
T=300%2F7
T=42.8
We'll round up to T=43
Checking the solution.
%2843-6%29%2F43=0.860465