SOLUTION: Sam receives test scores ( out of 100 points) of 87, 84, 89, and 100. He has to take the final exam yet but the final exam counts twice as much as each test in computing the final

Algebra ->  Average -> SOLUTION: Sam receives test scores ( out of 100 points) of 87, 84, 89, and 100. He has to take the final exam yet but the final exam counts twice as much as each test in computing the final       Log On


   

Question 1066324: Sam receives test scores ( out of 100 points) of 87, 84, 89, and 100. He has to take the final exam yet but the final exam counts twice as much as each test in computing the final average. What score must Sam get on the final exam in order to have an average score of 92.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
The meaning is that the final exam is two tests-worth.
SIX normal sized tests in total.

The score on the final exam, x.
%2887%2B84%2B89%2B100%2B2x%29%2F6=92

%282x%2B360%29=6%2A92

x%2B180=3%2A92

highlight%28x=96%29