80% dri 40kg dgn cara

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Mapel : Matematika
Pertanyaan yg diajukan : 1
Pembahasan :

[tex]80\% = \frac{80}{100} [/tex]

[tex] \frac{80}{100} = \frac{80 \div 10}{100 \div 10} = \frac{8}{10} [/tex]

[tex] \frac{8}{10} = \frac{8 \div 2}{10 \div 2} = \frac{4}{5} [/tex]

[tex] \frac{4}{5} \times 40 \: kg = 4 \times 8 = 32 \: kg[/tex]

Jadi, 80% dari 40 Kg adalah 32 Kg


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✚ Heil Manstein! ✚

[tex] \frac{80}{40} \times 100 = 200gram \: \\ \\ 40kg - 200gram = 3.8kg[/tex]