document.write( "Question 912905: Suppose a class has 20 students, who score an average of 80 points on a test. If five more students are added to the class, and the average test score decreases to 78 points, what is the average test score of the five new students? \n" ); document.write( "
Algebra.Com's Answer #554159 by ewatrrr(24785)\"\" \"About 
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(1600+5a)/25 = 78
\n" ); document.write( "avg = a = \"%28%2825%2A78%29+-+1600%29%2F5\"
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