Question

решите уравнения пропорции
$42 \div 14 = 72 \div \times x$
$x \div 13 = 1.2 \div 0.2$
$0.1 \div 0.02 = y \div 0.8$
прошу
помогите ​

Answer 1

Ответ:

1)

$1)x = \frac{72 \times 14}{42} = \frac{1008}{42} = 24 \\ 2)x = \frac{1.2 \times 13}{0.2} = \frac{15.6}{0.2 } = 78 \\ 3)y = \frac{0.1 \times 0.8}{0.02} = \frac{0.08}{0.02} = 4$