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5000 x 15% = 750 (keuntungan)
5750 (harga per buah)
5750 x 100 = 575000 (harga 100 biji)
No.6
180° = (4x°+2x°)
180°= 6x
X = 180/6
X= 30
Sudut QOR = 2x
= 2(30)
60
No.2
Diubah dulu ke pecahan desimal, baru deh diurutin
Jawabannya: 0,45; 78%; 0,85; 7/8