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)![]() ![]() You can put this solution on YOUR website! another way \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |