Question

ofer coroana! URGENT​

Answer 1

$\displaystyle a)~\frac{x}{6} =\frac{14}{9} \Rightarrow x \cdot 9=14 \cdot 6 \Rightarrow 9x=84 \Rightarrow x=\frac{84}{9} \Rightarrow x=\frac{28}{3} \\\\ b)~\frac{4}{x}=\frac{10}{7}\Rightarrow 4 \cdot 7=10 \cdot x \Rightarrow 28=10x \Rightarrow x=\frac{28}{10}\Rightarrow x=\frac{14}{5} \\\\c)~\frac{2}{15}=\frac{x}{20} \Rightarrow 2 \cdot 20=x \cdot 15 \Rightarrow 40=15x\Rightarrow x=\frac{40}{15}\Rightarrow x=\frac{8}{3}$

$\displaystyle d)~\frac{8}{17} =\frac{12}{x} \Rightarrow 8 \cdot x=12 \cdot 17 \Rightarrow 8x=204 \Rightarrow x=\frac{204}{8} \Rightarrow x=\frac{51}{2} \\\\ e)~\frac{x}{25} =\frac{7}{10} \Rightarrow x\cdot 10=7\cdot25\Rightarrow 10x=175\Rightarrow x=\frac{175}{10} \Rightarrow x=\frac{35}{2} \\\\ f)~\frac{21}{x} =\frac{14}{9} \Rightarrow 21\cdot 9=14 \cdot x \Rightarrow 189=14x\Rightarrow x=\frac{189}{14} \Rightarrow x=\frac{27}{2}$

$\displaystyle g)~\frac{5}{27} =\frac{x}{36}\Rightarrow 5 \cdot 36=x \cdot 27 \Rightarrow 180=27x\Rightarrow x=\frac{180}{27}\Rightarrow x=\frac{20}{3} \\\\ h)~\frac{24}{7} =\frac{21}{x} \Rightarrow 24 \cdot x=21 \cdot 7 \Rightarrow 24x=147\Rightarrow x=\frac{147}{24}\Rightarrow x=\frac{49}{8}$