document.write( "Question 927505: Elsa has scored 75,72,61,and 76 on her previous four tests. What score does she need on her next test so that her average (mean) is 75? \n" ); document.write( "
Algebra.Com's Answer #563027 by ewatrrr(24785)\"\" \"About 
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\"%2875%2B72%2B61%2B76+%2B+x%29%2F5+=+75\"
\n" ); document.write( "x = 375 - (75+72+61+76)
\n" ); document.write( "x = 375 - 284 = 91
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