Question

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Answer 1

$a) \: \frac{2}{3} = \frac{x}{9} \\ \\ 3x = 18 \\ x = \frac{18}{3} = 6$

$b) \: \frac{3}{x} = \frac{6}{10} \\ \\ 6x = 30 \\ x = \frac{30}{6} = 5$

$c) \frac{9}{x} = \frac{12}{8} \\ \\ 12x = 72 \\ x = \frac{72}{12} = 6$