document.write( "Question 919444: Nick's test average is 85 after 10 weekly test. What must his average be on the last five test of the sememster to bring his average to a 90. \n" ); document.write( "
Algebra.Com's Answer #557738 by ewatrrr(24785)\"\" \"About 
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A average on last 5
\n" ); document.write( "\"%28850+%2B+5A%29%2F15+=+90\"
\n" ); document.write( "5A = 90*15- 850
\n" ); document.write( "A = 100
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