A - B = 30. Jika A + B = 120. Maka A : B
Matematika
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Pertanyaan
A - B = 30. Jika A + B = 120. Maka A : B
1 Jawaban
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1. Jawaban AnggitaSeveners
A - B = 30
A + B = 120
_________(+)
2A = 150
A = 75
A - B = 30
75 - B = 30
B = 45
A : B = 75 : 45
A : B = (75÷15) : (45÷15)
A : B = 5 : 3