Penjelasan dengan langkah-langkah:
1
[tex]45\% \div 0.25 \times 2 \frac{1}{4} = \frac{45}{100} \div \frac{25}{100} \times \frac{9}{4} = \frac{45}{100} \times \frac{100}{25} \times \frac{9}{4} = \frac{405}{100} = 4.05[/tex]
2
[tex] \frac{1}{2} \times 2.25 \div \frac{3}{4} = \frac{1}{2} \times \frac{225}{100} \times \frac{4}{3} = \frac{150}{100} = 1.50[/tex]
3
[tex]15\% \times 3.5 \div \frac{1}{4} = \frac{15}{100} \times \frac{35}{10} \times \frac{4}{1} = \frac{210}{100} = 2.10[/tex]
4
[tex]1 \frac{4}{5} \div 0.25 \times 2 \frac{1}{5} = \frac{9}{5} \div \frac{25}{100} \times \frac{11}{5} = \frac{9}{5} \times \frac{100}{25} \times \frac{11}{5} = \frac{396}{25} = \frac{396 \times 4}{25 \times 4} = \frac{1584}{100} = 15.84[/tex]
5
[tex]0.75 \times 0.2 \div 2 \frac{1}{2} = \frac{75}{100} \times \frac{2}{10} \div \frac{5}{2} = \frac{75}{100} \times \frac{2}{10} \times \frac{2}{5} = \frac{6}{100} = 0.06[/tex]
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