Question

3 целых 1/2:х=0,5:2/7

Answer 1

$frac{3 frac{1}{2} }{x} = frac{0,5}{ frac{2}{7} }$
$frac{ frac{7}{2} }{x} = frac{ frac{5}{10} }{ frac{2}{7} }$
$frac{ frac{7}{2} }{x} = frac{35}{20}$
$x=20* frac{7}{2} :35$
$x= frac{70}{35}$
x=2