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Jacqui has grades of 77 and 75 on her first two algebra tests. if she wants an average of at least 73​, what possible scores can she make on her third​ test?
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Jacqui has grades of 77 and 75 on her first two algebra tests. if she wants an average of at least 73​, what possible scores can she make on her third​ test?

User Jeannine
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If she wants an average of 73 for 3 tests,
she needs a total of 73 x 3 = 219

Total of the first 2 tests = 77 + 75 = 152

Scores needed for her 3rd test = 219 - 152 = 67.

Answer: She needs a score of 67 marks.

User Sahdeep Singh
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