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August 12th, 2017 
admin Finding the average of a percentage using two average scores
To get a grade 7 in the GCSE 9-1, Helen must have a mean of 68% averaged over three exam papers. Her mean score on the first two papers is 63%.What percentagewill she need on the third paper on achieving a grade 7?
Posted in Uncategorized January 14th, 2016 admin Finding the average of a percentage using two average scores
To get a grade 7 in the GCSE 9-1, Helen must have a mean of 68% averaged over three exam papers. Her mean score on the first two papers is 63%.What percentagewill she need on the third paper on achieving a grade 7?
Posted in Uncategorized January 14th, 2016 admin Finding the average of a percentage using two average scores
To get a grade 7 in the GCSE 9-1, Helen must have a mean of 68% averaged over three exam papers. Her mean score on the first two papers is 63%.What percentagewill she need on the third paper on achieving a grade 7?
Posted in Uncategorized 