Question

plz answer this questions

Answer 1

Answer:

$1. \: \: \: \: \: \: \: \: 18 \div \frac{3}{7} = 18 \times \frac{7}{3} = 42 \\ 2. \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \frac{3}{7} \: of \: \frac{21}{9} = \frac{3}{3} = 1 \\ 3. \: \: \: \: \: \: \: \: \: \: \: \frac{4}{27} \div \frac{2}{9} = \frac{4}{27} \times \frac{9}{2} = \frac{2}{3} \\ 4. \: \: \: \: \: \: \: \: \frac{4}{5} \div 2 = \frac{4}{5} \times \frac{1}{2} = \frac{2}{5}$

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