document.write( "Question 422456: At a certain high school, the respective weights for the following subjects are:
\n" ); document.write( "Mathematics 3, English 3, History 2, Science 2 and Art 1.
\n" ); document.write( "What is a student's average whose marks were the following: Geometry 89, American Literature 92, American History 94, Biology 81, and Sculpture 85?
\n" ); document.write( "Can you please help me to solve this problem? I tried adding all of the students marks and then taking the average of that and it was not the correct answer. \n" ); document.write( "
Algebra.Com's Answer #294885 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
The weights determine how important a given subject is. So if a class has a higher weight, it will factor more towards the average grade. This is why you can't just average the given marks like normal.\r
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\n" ); document.write( "\n" ); document.write( "Instead, you simply multiply each weight by its corresponding grade and then you divide by 11 (the sum of the weights) to get\r
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\n" ); document.write( "\n" ); document.write( "(3*89+3*92+2*94+2*81+1*85)/11 = (267+276+188+162+85)/11 = 978/11 = 88.909\r
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\n" ); document.write( "\n" ); document.write( "So the average is 88.909\r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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