Question

знайти невідомий член пропорцій х:10=15:25

Answer 1

$\huge\displaystyle\boxed{\text{Otvet:\;}x=6} \\\\</p><p>\displaystyle\large\frac{x}{10}=\frac{15}{25}\\\\</p><p>\displaystyle\large\frac{x}{10}=\frac{3}{5}\\\\</p><p>\displaystyle\large 5x=30\\\\</p><p>\displaystyle\large\boxed{x=6}$