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September 3, 2015

Homework Help: Math

Posted by Sue on Sunday, May 2, 2010 at 8:15pm.

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale:
TOTAL GRADES: WEIGHT
90% ---------- 5%
100% ---------15%
95% --------- 15%
90% -----------5%
94.5% --------60%
I multiplied the total grade by the percent, then added the percent. But I get 109.20 as a final grade but I know that can be right...please help me. Thanks

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