Homework Help: Chemistry

Posted by Diane on Thursday, June 30, 2011 at 11:41am.

If tests are worth 90% & quizzes 10%. What is my average is my test average is a 83 & my quiz average is a 92?

Grade computing - assistance needed - Writeacher, Thursday, June 30, 2011 at 12:46pm
Assistance needed
Chemistry - Writeacher, Thursday, June 30, 2011 at 1:46pm
http://www.wolframalpha.com/input/?i=%2883*9+%2B+92%29%2F10
Chemistry - DrBob222, Thursday, June 30, 2011 at 2:12pm
(0.9x 83)+(0.1 x 92) = ??

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