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Kami ada 1 cara menyelesaikan mengenai the average of 10 student test scores is 69. three student score 80, 60 and 40 respectively. three o.... Monggo pelajari cara menjawab selanjutnya di bawah ini:

The Average Of 10 Student Test Scores Is 69. Three Student Score 80, 60 And 40 Respectively. Three Other Student Score 90 And Two Student Score 50. The Other Two Student Receive The The Same Score Which Is

Jawaban: #1: average = 69 x 10/10 = 690/10 = 69
scores  = 80,60,40, 90,90,90,50,50,x,x
total = 690 = 550 + 2x
2x = 690 - 550 = 140
x = 70

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Nah itulah jawaban tentang pertanyaan di atas yang bisa kami berikan, semoga bermanfaat!