tolong ya jawab no 12-18 aja pakai cara

1. 4/50 x 100% = 4 x 2 % = 8%
2. 4/8 = 1/2 = 0,5
3. 7/8 = (masing masing x4) = 28/32
4. 30% = 30/100 = 3/10
5.0,75 = 75/100 = (masing masing bagi 25) = 3/4
6. 24% = 24/100
7. 0,8 = 8/10 (masing masing bagi 2) = 4/5

Please, let me answer your question :)
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[tex] \frac{4}{50} = \frac{4}{50} \times \frac{2}{2} = \frac{8}{100} = 8\%[/tex]
Jadi yg C jawabannya.

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[tex] \frac{4}{8} = \frac{4}{8} \times \frac{125}{125} = \frac{500}{1000} = 0.500 \\ 0.5[/tex]
Jadi yg C jawabannya.

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[tex] \frac{28}{32} karena \: \frac{28 \div 4}{32 \div 4} = \frac{7}{8} [/tex]
Jadi yg C jawabannya.

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[tex]30\% = \frac{30}{100} = \frac{30 \div 10}{100 \div 10} = \frac{3}{10} [/tex]
Jadi yg B jawabannya.

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[tex]0.75 = \frac{75}{100} = \frac{3}{4} [/tex]
Jadi yg D jawabannya.

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[tex]24\% = \frac{24}{100} [/tex]
Jadi yg C jawabannya.

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[tex]0.8 = \frac{8}{10} = \frac{4}{5} [/tex]
Jadi yg B jawabannya.

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Hopefully this is the best for you :)

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