document.write( "Question 629268: Ryan has scored , , , and on his previous four tests. What score does he need on his next test so that his average (mean) is ? \n" ); document.write( "
Algebra.Com's Answer #396229 by Alan3354(69443)\"\" \"About 
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Ryan has scored , , , and on his previous four tests. What score does he need on his next test so that his average (mean) is ?
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\n" ); document.write( "Avg = (S1 + S2 + S3 + S4 + next score)/5
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