the average score of John's 3 tests is 75.what would be his 4th test,if he wants to increase the average to 80?
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Pertanyaan
the average score of John's 3 tests is 75.what would be his 4th test,if he wants to increase the average to 80?
1 Jawaban
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1. Jawaban FairuzAmira
his 4th test score must be 95