Jawaban:
21
Penjelasan dengan langkah-langkah:
[tex] \frac{bd}{ae} = \frac{bc}{ac} [/tex]
[tex] \frac{bd}{28} = \frac{30}{(30 + 10)} [/tex]
[tex]bd = \frac{30}{40} \times 28[/tex]
[tex]bd = 21[/tex]
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Jawaban:
21
Penjelasan dengan langkah-langkah:
[tex] \frac{bd}{ae} = \frac{bc}{ac} [/tex]
[tex] \frac{bd}{28} = \frac{30}{(30 + 10)} [/tex]
[tex]bd = \frac{30}{40} \times 28[/tex]
[tex]bd = 21[/tex]