Question

найдите х из пропорции ​

Answer 1

$x = 4 \frac{1}{ 3} \times 6 \div 0.4 \\ x = \frac{13}{3} \times \frac{6}{1} \times \frac{10}{4} \\x = \frac{13 \times 2 \times 5}{2} \\ x = 13 \times 5 = 65$