3 satu per 2 X 50% : 4,5 = a.5 per 6 b.7 per 9 c. 7 per 8 d.11per 6 sertakakan Cara yg berurutan

[tex]3 \frac{1}{2} \times \frac{50}{100} \div \frac{45}{10} = \frac{7}{2} \times \frac{50}{100} \times \frac{10}{45} = \frac{3.500}{9.000} = \frac{35}{90} = \frac{7}{18} [/tex]
maaf kalau salah...