document.write( "Question 896556: A student received scores of 72, 85, 53 and 80 on the first four quizzes. What minimum score does the student need on the fifth quiz to average 70 for all 5 quizzes? \n" ); document.write( "
Algebra.Com's Answer #543609 by richwmiller(17219)\"\" \"About 
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\n" ); document.write( "72-70=2
\n" ); document.write( "85-70=15
\n" ); document.write( "53-70=-17
\n" ); document.write( "80-70=10
\n" ); document.write( "for a difference of +10\r
\n" ); document.write( "\n" ); document.write( "x-70=-10
\n" ); document.write( "x=60
\n" ); document.write( "72-70=2
\n" ); document.write( "85-70=15
\n" ); document.write( "53-70=-17
\n" ); document.write( "80-70=10
\n" ); document.write( "60-70=-10
\n" ); document.write( "for a difference of 0\r
\n" ); document.write( "\n" ); document.write( "72+ 85+ 53 + 80+60=350
\n" ); document.write( "350/5=70\r
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