Jawab:
x = 95
Penjelasan dengan langkah-langkah:
83 = (80 + 70 + 90 + x + 80)/5
83 = (320 + x )/ 5
83 . 5 = 320 + x
415 = 320 + x
x = 415 - 320
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Jawab:
x = 95
Penjelasan dengan langkah-langkah:
83 = (80 + 70 + 90 + x + 80)/5
83 = (320 + x )/ 5
83 . 5 = 320 + x
415 = 320 + x
x = 415 - 320
x = 95