joeyrorick2127 joeyrorick2127

15-10-2017
Mathematics

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Has grades of 71 and 87 on her first two algebra tests. if she wants an average of at least 75, what possible scores can she make on her third test

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julie314oxxbrs julie314oxxbrs

16-10-2017

On her third test she should get 67 marks
so therefore 71 + 87 + 67 = 225
225 divide by 3 (as three tests) = 75

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