tolong dijawab no 11 dan 12

Please, let me answer your question :)
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[tex]7 \frac{1}{2} = \frac{15}{2} = \frac{15 \times 5}{2 \times 5} = \frac{75}{10} = 7.5[/tex]

[tex]20\% = \frac{20}{100} = 0.20[/tex]

7,5 x 0,20 = 1,5

Jadi hasilnya 1,5 kg. Yg A jawabannya.

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18/2 = 9
9 x 5 = 45.

Jadi banyak Ikan Mas adalah 45 ekor.

45 : 18
(45 : 9) : (18 : 9)
5 : 2

Yg B jawabannya.

Maaf kalau kurang jelas.

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Heil Manstein!

maaaf jika salah jawabannya