document.write( "Question 494485: After taking 7 quizzes, your average is 72 of 100. What must your average be on the next five quizzes to increase your average to 77? \n" ); document.write( "
Algebra.Com's Answer #335672 by Alan3354(69443)\"\" \"About 
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After taking 7 quizzes, your average is 72 of 100. What must your average be on the next five quizzes to increase your average to 77?
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\n" ); document.write( "7*72 = 504
\n" ); document.write( "12*77 = 924
\n" ); document.write( "You need 420 points on the next 5.
\n" ); document.write( "420/5 = 84 average for the 5\r
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