Verified answer

Ответ:

1 1/2

Пошаговое объяснение:

z : 3/14 = 3 1/9 : 4/9

4/9 * z = 3 1/9 * 3/14

4/9z = 28/9 * 3/14

4/9z = 2/3 * 1/1

4/9z = 2/3

z = 2/3 : 4/9

z = 2/3 * 9/4

z = 1/1 * 3/2

z = 3/2

z = 1 1/2