document.write( "Question 935177: After three 25-point quizzes, you have 58 points.\r
\n" ); document.write( "\n" ); document.write( "How many points do you need to score on your next 25-point quiz to have a mean score of 20 points?\r
\n" ); document.write( "\n" ); document.write( "Would a mean score of 20 points after 4 quizzes be greater than or less than your mean score after 3 quizzes?\r
\n" ); document.write( "\n" ); document.write( "Your score on each quiz is a whole number. Is it possible that yuor mean score does not change after the fourth quiz? Explain.
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Algebra.Com's Answer #568320 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
After three 25-point quizzes, you have 58 points.
\n" ); document.write( "How many points do you need to score on your next 25-point quiz to have a mean score of 20 points?
\n" ); document.write( "let x = your score on the 4th quiz
\n" ); document.write( "\"%2858+%2B+x%29%2F4\" = 20
\n" ); document.write( "58 + x = 20*4
\n" ); document.write( "x = 80 - 58
\n" ); document.write( "x = 22
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\n" ); document.write( "Would a mean score of 20 points after 4 quizzes be greater than or less than your mean score after 3 quizzes?
\n" ); document.write( "58/3 = 19.333, more
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\n" ); document.write( "Your score on each quiz is a whole number.
\n" ); document.write( " Is it possible that your mean score does not change after the fourth quiz? Explain. No, the 4th score average will be an in integer, since the total of the first 3 scores is 58, an integer
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