document.write( "Question 370018: If i score 99 on my first test and 85 on my second, what do I need to get on my third test in order to get an overall average of 90? \n" ); document.write( "
Algebra.Com's Answer #263653 by mananth(16946)\"\" \"About 
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99 on first
\n" ); document.write( "85 on second
\n" ); document.write( "total of two tests = 184
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\n" ); document.write( "you need average 90 from 3 tests
\n" ); document.write( "so total score will be 90*3 = 270
\n" ); document.write( "..
\n" ); document.write( "you have 184
\n" ); document.write( "you require 270 -184 = 86 in the third test
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\n" ); document.write( "m.ananth@hotmail.ca
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