document.write( "Question 725559: 2 pupils both score 6 out of 10 for a maths test. What would a 3rd pupil have to score to increase their average score by 1 mark?\r
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document.write( "is the answer 9/10 ? \r
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document.write( "(12/20 + x = 21/30 therefore x = 9/10) ? \n" );
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Algebra.Com's Answer #444202 by fcabanski(1391)![]() ![]() ![]() You can put this solution on YOUR website! 9/10 is correct.
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