document.write( "Question 526402: A students average for five quizzes is 86%. If he wants to have an average of 88%,what is the lowest score that he can receive on his sixth quiz? \n" ); document.write( "
Algebra.Com's Answer #348484 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! x/5 = 86 \n" ); document.write( ". \n" ); document.write( "x = 430 = total points earned on the five quizzes \n" ); document.write( ". \n" ); document.write( "t = score on the next test \n" ); document.write( ". \n" ); document.write( "(430+t) / 6 = 88 \n" ); document.write( ". \n" ); document.write( "multiply through by 6 \n" ); document.write( ". \n" ); document.write( "430+t = 528 \n" ); document.write( ". \n" ); document.write( "t = 528-430 \n" ); document.write( ". \n" ); document.write( "t = 98 \n" ); document.write( ". \n" ); document.write( "Answer: He needs to score at least 98 on the sixth quiz to raise his average to at least 88.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |